Home / 22,417.84-30,929.65-12,725.71

Finding the Fourth Proportional to 22,417.84, 30,929.65 and 12,725.71

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Solution

The fourth proportional to 22,417.84, 30,929.65 and 12,725.71 is: 17,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.84 : 30,929.65 = 12,725.71 : x
  2. Step 2: Convert to fraction form
    22,417.84/30,929.65 = 12,725.71/x
  3. Step 3: Cross multiply
    22,417.84x = 30,929.65 × 12,725.71
  4. Step 4: Simplify right side
    22,417.84x = 393,601,647.16
  5. Step 5: Solve for x
    x = 393,601,647.16/22,417.84
  6. Step 6: Final answer
    x = 17,557.52

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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.