Home / 15,686.70-23,568.45-11,798.70

Finding the Fourth Proportional to 15,686.70, 23,568.45 and 11,798.70

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Solution

The fourth proportional to 15,686.70, 23,568.45 and 11,798.70 is: 17,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,686.70 : 23,568.45 = 11,798.70 : x
  2. Step 2: Convert to fraction form
    15,686.70/23,568.45 = 11,798.70/x
  3. Step 3: Cross multiply
    15,686.70x = 23,568.45 × 11,798.70
  4. Step 4: Simplify right side
    15,686.70x = 278,077,071.02
  5. Step 5: Solve for x
    x = 278,077,071.02/15,686.70
  6. Step 6: Final answer
    x = 17,726.93

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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.