Home / 22,715.24-31,346.66-12,779.24

Finding the Fourth Proportional to 22,715.24, 31,346.66 and 12,779.24

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Solution

The fourth proportional to 22,715.24, 31,346.66 and 12,779.24 is: 17,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,715.24 : 31,346.66 = 12,779.24 : x
  2. Step 2: Convert to fraction form
    22,715.24/31,346.66 = 12,779.24/x
  3. Step 3: Cross multiply
    22,715.24x = 31,346.66 × 12,779.24
  4. Step 4: Simplify right side
    22,715.24x = 400,586,491.34
  5. Step 5: Solve for x
    x = 400,586,491.34/22,715.24
  6. Step 6: Final answer
    x = 17,635.14

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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.