Home / 19,686.65-29,532.95-6,355.19

Finding the Fourth Proportional to 19,686.65, 29,532.95 and 6,355.19

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Solution

The fourth proportional to 19,686.65, 29,532.95 and 6,355.19 is: 9,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.65 : 29,532.95 = 6,355.19 : x
  2. Step 2: Convert to fraction form
    19,686.65/29,532.95 = 6,355.19/x
  3. Step 3: Cross multiply
    19,686.65x = 29,532.95 × 6,355.19
  4. Step 4: Simplify right side
    19,686.65x = 187,687,508.51
  5. Step 5: Solve for x
    x = 187,687,508.51/19,686.65
  6. Step 6: Final answer
    x = 9,533.75

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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.