Home / 13,329.47-19,981.76-5,929.92

Finding the Fourth Proportional to 13,329.47, 19,981.76 and 5,929.92

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Solution

The fourth proportional to 13,329.47, 19,981.76 and 5,929.92 is: 8,889.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.47 : 19,981.76 = 5,929.92 : x
  2. Step 2: Convert to fraction form
    13,329.47/19,981.76 = 5,929.92/x
  3. Step 3: Cross multiply
    13,329.47x = 19,981.76 × 5,929.92
  4. Step 4: Simplify right side
    13,329.47x = 118,490,208.61
  5. Step 5: Solve for x
    x = 118,490,208.61/13,329.47
  6. Step 6: Final answer
    x = 8,889.34

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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.