Home / 19,510.29-29,265.23-10,145.48

Finding the Fourth Proportional to 19,510.29, 29,265.23 and 10,145.48

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Solution

The fourth proportional to 19,510.29, 29,265.23 and 10,145.48 is: 15,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.29 : 29,265.23 = 10,145.48 : x
  2. Step 2: Convert to fraction form
    19,510.29/29,265.23 = 10,145.48/x
  3. Step 3: Cross multiply
    19,510.29x = 29,265.23 × 10,145.48
  4. Step 4: Simplify right side
    19,510.29x = 296,909,684.70
  5. Step 5: Solve for x
    x = 296,909,684.70/19,510.29
  6. Step 6: Final answer
    x = 15,218.11

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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.