Home / 14,123.60-21,182.28-5,358.32

Finding the Fourth Proportional to 14,123.60, 21,182.28 and 5,358.32

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Solution

The fourth proportional to 14,123.60, 21,182.28 and 5,358.32 is: 8,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.60 : 21,182.28 = 5,358.32 : x
  2. Step 2: Convert to fraction form
    14,123.60/21,182.28 = 5,358.32/x
  3. Step 3: Cross multiply
    14,123.60x = 21,182.28 × 5,358.32
  4. Step 4: Simplify right side
    14,123.60x = 113,501,434.57
  5. Step 5: Solve for x
    x = 113,501,434.57/14,123.60
  6. Step 6: Final answer
    x = 8,036.30

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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.