Home / 15,680.55-23,532.90-9,111.35

Finding the Fourth Proportional to 15,680.55, 23,532.90 and 9,111.35

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Solution

The fourth proportional to 15,680.55, 23,532.90 and 9,111.35 is: 13,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.55 : 23,532.90 = 9,111.35 : x
  2. Step 2: Convert to fraction form
    15,680.55/23,532.90 = 9,111.35/x
  3. Step 3: Cross multiply
    15,680.55x = 23,532.90 × 9,111.35
  4. Step 4: Simplify right side
    15,680.55x = 214,416,513.08
  5. Step 5: Solve for x
    x = 214,416,513.08/15,680.55
  6. Step 6: Final answer
    x = 13,674.04

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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.