Home / 10,113.64-13,957.90-5,925.40

Finding the Fourth Proportional to 10,113.64, 13,957.90 and 5,925.40

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Solution

The fourth proportional to 10,113.64, 13,957.90 and 5,925.40 is: 8,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.64 : 13,957.90 = 5,925.40 : x
  2. Step 2: Convert to fraction form
    10,113.64/13,957.90 = 5,925.40/x
  3. Step 3: Cross multiply
    10,113.64x = 13,957.90 × 5,925.40
  4. Step 4: Simplify right side
    10,113.64x = 82,706,140.66
  5. Step 5: Solve for x
    x = 82,706,140.66/10,113.64
  6. Step 6: Final answer
    x = 8,177.68

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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.