Home / 13,972.95-19,272.90-9,488.91

Finding the Fourth Proportional to 13,972.95, 19,272.90 and 9,488.91

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Solution

The fourth proportional to 13,972.95, 19,272.90 and 9,488.91 is: 13,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.95 : 19,272.90 = 9,488.91 : x
  2. Step 2: Convert to fraction form
    13,972.95/19,272.90 = 9,488.91/x
  3. Step 3: Cross multiply
    13,972.95x = 19,272.90 × 9,488.91
  4. Step 4: Simplify right side
    13,972.95x = 182,878,849.12
  5. Step 5: Solve for x
    x = 182,878,849.12/13,972.95
  6. Step 6: Final answer
    x = 13,088.07

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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.