Home / 9,411.90-14,117.85-9,266.10

Finding the Fourth Proportional to 9,411.90, 14,117.85 and 9,266.10

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Solution

The fourth proportional to 9,411.90, 14,117.85 and 9,266.10 is: 13,899.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,411.90 : 14,117.85 = 9,266.10 : x
  2. Step 2: Convert to fraction form
    9,411.90/14,117.85 = 9,266.10/x
  3. Step 3: Cross multiply
    9,411.90x = 14,117.85 × 9,266.10
  4. Step 4: Simplify right side
    9,411.90x = 130,817,409.89
  5. Step 5: Solve for x
    x = 130,817,409.89/9,411.90
  6. Step 6: Final answer
    x = 13,899.15

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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.