Home / 19,429.16-29,143.05-6,281.19

Finding the Fourth Proportional to 19,429.16, 29,143.05 and 6,281.19

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Solution

The fourth proportional to 19,429.16, 29,143.05 and 6,281.19 is: 9,421.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.16 : 29,143.05 = 6,281.19 : x
  2. Step 2: Convert to fraction form
    19,429.16/29,143.05 = 6,281.19/x
  3. Step 3: Cross multiply
    19,429.16x = 29,143.05 × 6,281.19
  4. Step 4: Simplify right side
    19,429.16x = 183,053,034.23
  5. Step 5: Solve for x
    x = 183,053,034.23/19,429.16
  6. Step 6: Final answer
    x = 9,421.56

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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.