Home / 15,390.14-23,065.76-13,294.94

Finding the Fourth Proportional to 15,390.14, 23,065.76 and 13,294.94

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Solution

The fourth proportional to 15,390.14, 23,065.76 and 13,294.94 is: 19,925.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.14 : 23,065.76 = 13,294.94 : x
  2. Step 2: Convert to fraction form
    15,390.14/23,065.76 = 13,294.94/x
  3. Step 3: Cross multiply
    15,390.14x = 23,065.76 × 13,294.94
  4. Step 4: Simplify right side
    15,390.14x = 306,657,813.16
  5. Step 5: Solve for x
    x = 306,657,813.16/15,390.14
  6. Step 6: Final answer
    x = 19,925.61

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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.