Home / 9,990.81-14,983.65-2,969.17

Finding the Fourth Proportional to 9,990.81, 14,983.65 and 2,969.17

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Solution

The fourth proportional to 9,990.81, 14,983.65 and 2,969.17 is: 4,452.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.81 : 14,983.65 = 2,969.17 : x
  2. Step 2: Convert to fraction form
    9,990.81/14,983.65 = 2,969.17/x
  3. Step 3: Cross multiply
    9,990.81x = 14,983.65 × 2,969.17
  4. Step 4: Simplify right side
    9,990.81x = 44,488,966.61
  5. Step 5: Solve for x
    x = 44,488,966.61/9,990.81
  6. Step 6: Final answer
    x = 4,452.99

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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.