Home / 10,466.28-15,697.80-9,887.94

Finding the Fourth Proportional to 10,466.28, 15,697.80 and 9,887.94

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Solution

The fourth proportional to 10,466.28, 15,697.80 and 9,887.94 is: 14,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,466.28 : 15,697.80 = 9,887.94 : x
  2. Step 2: Convert to fraction form
    10,466.28/15,697.80 = 9,887.94/x
  3. Step 3: Cross multiply
    10,466.28x = 15,697.80 × 9,887.94
  4. Step 4: Simplify right side
    10,466.28x = 155,218,904.53
  5. Step 5: Solve for x
    x = 155,218,904.53/10,466.28
  6. Step 6: Final answer
    x = 14,830.38

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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.