Home / 19,674.81-29,520.92-10,312.59

Finding the Fourth Proportional to 19,674.81, 29,520.92 and 10,312.59

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Solution

The fourth proportional to 19,674.81, 29,520.92 and 10,312.59 is: 15,473.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,674.81 : 29,520.92 = 10,312.59 : x
  2. Step 2: Convert to fraction form
    19,674.81/29,520.92 = 10,312.59/x
  3. Step 3: Cross multiply
    19,674.81x = 29,520.92 × 10,312.59
  4. Step 4: Simplify right side
    19,674.81x = 304,437,154.33
  5. Step 5: Solve for x
    x = 304,437,154.33/19,674.81
  6. Step 6: Final answer
    x = 15,473.45

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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.