Home / 15,387.84-22,952.16-12,893.76

Finding the Fourth Proportional to 15,387.84, 22,952.16 and 12,893.76

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Solution

The fourth proportional to 15,387.84, 22,952.16 and 12,893.76 is: 19,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,387.84 : 22,952.16 = 12,893.76 : x
  2. Step 2: Convert to fraction form
    15,387.84/22,952.16 = 12,893.76/x
  3. Step 3: Cross multiply
    15,387.84x = 22,952.16 × 12,893.76
  4. Step 4: Simplify right side
    15,387.84x = 295,939,642.52
  5. Step 5: Solve for x
    x = 295,939,642.52/15,387.84
  6. Step 6: Final answer
    x = 19,232.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.