Home / 9,918.48-13,690-6,737.16

Finding the Fourth Proportional to 9,918.48, 13,690 and 6,737.16

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Solution

The fourth proportional to 9,918.48, 13,690 and 6,737.16 is: 9,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.48 : 13,690 = 6,737.16 : x
  2. Step 2: Convert to fraction form
    9,918.48/13,690 = 6,737.16/x
  3. Step 3: Cross multiply
    9,918.48x = 13,690 × 6,737.16
  4. Step 4: Simplify right side
    9,918.48x = 92,231,720.40
  5. Step 5: Solve for x
    x = 92,231,720.40/9,918.48
  6. Step 6: Final answer
    x = 9,298.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.