Home / 19,019.89-28,534.16-10,254.61

Finding the Fourth Proportional to 19,019.89, 28,534.16 and 10,254.61

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Solution

The fourth proportional to 19,019.89, 28,534.16 and 10,254.61 is: 15,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.89 : 28,534.16 = 10,254.61 : x
  2. Step 2: Convert to fraction form
    19,019.89/28,534.16 = 10,254.61/x
  3. Step 3: Cross multiply
    19,019.89x = 28,534.16 × 10,254.61
  4. Step 4: Simplify right side
    19,019.89x = 292,606,682.48
  5. Step 5: Solve for x
    x = 292,606,682.48/19,019.89
  6. Step 6: Final answer
    x = 15,384.25

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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.