Home / 13,043.43-19,565.01-4,278.24

Finding the Fourth Proportional to 13,043.43, 19,565.01 and 4,278.24

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Solution

The fourth proportional to 13,043.43, 19,565.01 and 4,278.24 is: 6,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.43 : 19,565.01 = 4,278.24 : x
  2. Step 2: Convert to fraction form
    13,043.43/19,565.01 = 4,278.24/x
  3. Step 3: Cross multiply
    13,043.43x = 19,565.01 × 4,278.24
  4. Step 4: Simplify right side
    13,043.43x = 83,703,808.38
  5. Step 5: Solve for x
    x = 83,703,808.38/13,043.43
  6. Step 6: Final answer
    x = 6,417.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.