Home / 9,887.13-14,866.26-9,116.55

Finding the Fourth Proportional to 9,887.13, 14,866.26 and 9,116.55

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Solution

The fourth proportional to 9,887.13, 14,866.26 and 9,116.55 is: 13,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.13 : 14,866.26 = 9,116.55 : x
  2. Step 2: Convert to fraction form
    9,887.13/14,866.26 = 9,116.55/x
  3. Step 3: Cross multiply
    9,887.13x = 14,866.26 × 9,116.55
  4. Step 4: Simplify right side
    9,887.13x = 135,529,002.60
  5. Step 5: Solve for x
    x = 135,529,002.60/9,887.13
  6. Step 6: Final answer
    x = 13,707.62

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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.