Home / 12,560.04-18,921.51-11,948.76

Finding the Fourth Proportional to 12,560.04, 18,921.51 and 11,948.76

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Solution

The fourth proportional to 12,560.04, 18,921.51 and 11,948.76 is: 18,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.04 : 18,921.51 = 11,948.76 : x
  2. Step 2: Convert to fraction form
    12,560.04/18,921.51 = 11,948.76/x
  3. Step 3: Cross multiply
    12,560.04x = 18,921.51 × 11,948.76
  4. Step 4: Simplify right side
    12,560.04x = 226,088,581.83
  5. Step 5: Solve for x
    x = 226,088,581.83/12,560.04
  6. Step 6: Final answer
    x = 18,000.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.