Home / 10,640.12-14,683.35-5,925.51

Finding the Fourth Proportional to 10,640.12, 14,683.35 and 5,925.51

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Solution

The fourth proportional to 10,640.12, 14,683.35 and 5,925.51 is: 8,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.12 : 14,683.35 = 5,925.51 : x
  2. Step 2: Convert to fraction form
    10,640.12/14,683.35 = 5,925.51/x
  3. Step 3: Cross multiply
    10,640.12x = 14,683.35 × 5,925.51
  4. Step 4: Simplify right side
    10,640.12x = 87,006,337.26
  5. Step 5: Solve for x
    x = 87,006,337.26/10,640.12
  6. Step 6: Final answer
    x = 8,177.20

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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.