Home / 13,938.68-19,235.39-7,565.27

Finding the Fourth Proportional to 13,938.68, 19,235.39 and 7,565.27

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Solution

The fourth proportional to 13,938.68, 19,235.39 and 7,565.27 is: 10,440.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938.68 : 19,235.39 = 7,565.27 : x
  2. Step 2: Convert to fraction form
    13,938.68/19,235.39 = 7,565.27/x
  3. Step 3: Cross multiply
    13,938.68x = 19,235.39 × 7,565.27
  4. Step 4: Simplify right side
    13,938.68x = 145,520,918.91
  5. Step 5: Solve for x
    x = 145,520,918.91/13,938.68
  6. Step 6: Final answer
    x = 10,440.08

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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.