Home / 9,123.63-13,711.08-5,426.52

Finding the Fourth Proportional to 9,123.63, 13,711.08 and 5,426.52

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Solution

The fourth proportional to 9,123.63, 13,711.08 and 5,426.52 is: 8,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123.63 : 13,711.08 = 5,426.52 : x
  2. Step 2: Convert to fraction form
    9,123.63/13,711.08 = 5,426.52/x
  3. Step 3: Cross multiply
    9,123.63x = 13,711.08 × 5,426.52
  4. Step 4: Simplify right side
    9,123.63x = 74,403,449.84
  5. Step 5: Solve for x
    x = 74,403,449.84/9,123.63
  6. Step 6: Final answer
    x = 8,155.03

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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.