Home / 10,557.10-15,860.28-9,080.87

Finding the Fourth Proportional to 10,557.10, 15,860.28 and 9,080.87

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Solution

The fourth proportional to 10,557.10, 15,860.28 and 9,080.87 is: 13,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.10 : 15,860.28 = 9,080.87 : x
  2. Step 2: Convert to fraction form
    10,557.10/15,860.28 = 9,080.87/x
  3. Step 3: Cross multiply
    10,557.10x = 15,860.28 × 9,080.87
  4. Step 4: Simplify right side
    10,557.10x = 144,025,140.84
  5. Step 5: Solve for x
    x = 144,025,140.84/10,557.10
  6. Step 6: Final answer
    x = 13,642.50

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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.