Home / 17,929.84-24,741.28-9,970.78

Finding the Fourth Proportional to 17,929.84, 24,741.28 and 9,970.78

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Solution

The fourth proportional to 17,929.84, 24,741.28 and 9,970.78 is: 13,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.84 : 24,741.28 = 9,970.78 : x
  2. Step 2: Convert to fraction form
    17,929.84/24,741.28 = 9,970.78/x
  3. Step 3: Cross multiply
    17,929.84x = 24,741.28 × 9,970.78
  4. Step 4: Simplify right side
    17,929.84x = 246,689,859.80
  5. Step 5: Solve for x
    x = 246,689,859.80/17,929.84
  6. Step 6: Final answer
    x = 13,758.62

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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.