Home / 19,877.19-29,762.52-10,497.79

Finding the Fourth Proportional to 19,877.19, 29,762.52 and 10,497.79

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Solution

The fourth proportional to 19,877.19, 29,762.52 and 10,497.79 is: 15,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.19 : 29,762.52 = 10,497.79 : x
  2. Step 2: Convert to fraction form
    19,877.19/29,762.52 = 10,497.79/x
  3. Step 3: Cross multiply
    19,877.19x = 29,762.52 × 10,497.79
  4. Step 4: Simplify right side
    19,877.19x = 312,440,684.83
  5. Step 5: Solve for x
    x = 312,440,684.83/19,877.19
  6. Step 6: Final answer
    x = 15,718.55

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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.