Home / 15,262.62-21,061.34-8,547.10

Finding the Fourth Proportional to 15,262.62, 21,061.34 and 8,547.10

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Solution

The fourth proportional to 15,262.62, 21,061.34 and 8,547.10 is: 11,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.62 : 21,061.34 = 8,547.10 : x
  2. Step 2: Convert to fraction form
    15,262.62/21,061.34 = 8,547.10/x
  3. Step 3: Cross multiply
    15,262.62x = 21,061.34 × 8,547.10
  4. Step 4: Simplify right side
    15,262.62x = 180,013,379.11
  5. Step 5: Solve for x
    x = 180,013,379.11/15,262.62
  6. Step 6: Final answer
    x = 11,794.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.