Home / 14,779.68-22,053.24-14,278.56

Finding the Fourth Proportional to 14,779.68, 22,053.24 and 14,278.56

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Solution

The fourth proportional to 14,779.68, 22,053.24 and 14,278.56 is: 21,305.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.68 : 22,053.24 = 14,278.56 : x
  2. Step 2: Convert to fraction form
    14,779.68/22,053.24 = 14,278.56/x
  3. Step 3: Cross multiply
    14,779.68x = 22,053.24 × 14,278.56
  4. Step 4: Simplify right side
    14,779.68x = 314,888,510.53
  5. Step 5: Solve for x
    x = 314,888,510.53/14,779.68
  6. Step 6: Final answer
    x = 21,305.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.