Home / 19,349.24-29,002.61-9,989.96

Finding the Fourth Proportional to 19,349.24, 29,002.61 and 9,989.96

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Solution

The fourth proportional to 19,349.24, 29,002.61 and 9,989.96 is: 14,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.24 : 29,002.61 = 9,989.96 : x
  2. Step 2: Convert to fraction form
    19,349.24/29,002.61 = 9,989.96/x
  3. Step 3: Cross multiply
    19,349.24x = 29,002.61 × 9,989.96
  4. Step 4: Simplify right side
    19,349.24x = 289,734,718.83
  5. Step 5: Solve for x
    x = 289,734,718.83/19,349.24
  6. Step 6: Final answer
    x = 14,973.96

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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.