Home / 19,285.74-28,931.85-6,142.14

Finding the Fourth Proportional to 19,285.74, 28,931.85 and 6,142.14

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Solution

The fourth proportional to 19,285.74, 28,931.85 and 6,142.14 is: 9,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,285.74 : 28,931.85 = 6,142.14 : x
  2. Step 2: Convert to fraction form
    19,285.74/28,931.85 = 6,142.14/x
  3. Step 3: Cross multiply
    19,285.74x = 28,931.85 × 6,142.14
  4. Step 4: Simplify right side
    19,285.74x = 177,703,473.16
  5. Step 5: Solve for x
    x = 177,703,473.16/19,285.74
  6. Step 6: Final answer
    x = 9,214.24

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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.