Home / 19,587.15-29,377.96-6,437.81

Finding the Fourth Proportional to 19,587.15, 29,377.96 and 6,437.81

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Solution

The fourth proportional to 19,587.15, 29,377.96 and 6,437.81 is: 9,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.15 : 29,377.96 = 6,437.81 : x
  2. Step 2: Convert to fraction form
    19,587.15/29,377.96 = 6,437.81/x
  3. Step 3: Cross multiply
    19,587.15x = 29,377.96 × 6,437.81
  4. Step 4: Simplify right side
    19,587.15x = 189,129,782.02
  5. Step 5: Solve for x
    x = 189,129,782.02/19,587.15
  6. Step 6: Final answer
    x = 9,655.81

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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.