Home / 14,132.70-21,199.05-8,603.10

Finding the Fourth Proportional to 14,132.70, 21,199.05 and 8,603.10

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Solution

The fourth proportional to 14,132.70, 21,199.05 and 8,603.10 is: 12,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.70 : 21,199.05 = 8,603.10 : x
  2. Step 2: Convert to fraction form
    14,132.70/21,199.05 = 8,603.10/x
  3. Step 3: Cross multiply
    14,132.70x = 21,199.05 × 8,603.10
  4. Step 4: Simplify right side
    14,132.70x = 182,377,547.06
  5. Step 5: Solve for x
    x = 182,377,547.06/14,132.70
  6. Step 6: Final answer
    x = 12,904.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.