Home / 19,386.68-29,085.71-6,238.71

Finding the Fourth Proportional to 19,386.68, 29,085.71 and 6,238.71

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Solution

The fourth proportional to 19,386.68, 29,085.71 and 6,238.71 is: 9,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.68 : 29,085.71 = 6,238.71 : x
  2. Step 2: Convert to fraction form
    19,386.68/29,085.71 = 6,238.71/x
  3. Step 3: Cross multiply
    19,386.68x = 29,085.71 × 6,238.71
  4. Step 4: Simplify right side
    19,386.68x = 181,457,278.64
  5. Step 5: Solve for x
    x = 181,457,278.64/19,386.68
  6. Step 6: Final answer
    x = 9,359.90

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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.