Home / 15,730.11-23,702.66-13,016.34

Finding the Fourth Proportional to 15,730.11, 23,702.66 and 13,016.34

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Solution

The fourth proportional to 15,730.11, 23,702.66 and 13,016.34 is: 19,613.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,730.11 : 23,702.66 = 13,016.34 : x
  2. Step 2: Convert to fraction form
    15,730.11/23,702.66 = 13,016.34/x
  3. Step 3: Cross multiply
    15,730.11x = 23,702.66 × 13,016.34
  4. Step 4: Simplify right side
    15,730.11x = 308,521,816.38
  5. Step 5: Solve for x
    x = 308,521,816.38/15,730.11
  6. Step 6: Final answer
    x = 19,613.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.