Home / 13,320.52-19,988.70-5,925.40

Finding the Fourth Proportional to 13,320.52, 19,988.70 and 5,925.40

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Solution

The fourth proportional to 13,320.52, 19,988.70 and 5,925.40 is: 8,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320.52 : 19,988.70 = 5,925.40 : x
  2. Step 2: Convert to fraction form
    13,320.52/19,988.70 = 5,925.40/x
  3. Step 3: Cross multiply
    13,320.52x = 19,988.70 × 5,925.40
  4. Step 4: Simplify right side
    13,320.52x = 118,441,042.98
  5. Step 5: Solve for x
    x = 118,441,042.98/13,320.52
  6. Step 6: Final answer
    x = 8,891.62

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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.