Home / 15,983.19-22,056.30-8,909.46

Finding the Fourth Proportional to 15,983.19, 22,056.30 and 8,909.46

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Solution

The fourth proportional to 15,983.19, 22,056.30 and 8,909.46 is: 12,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.19 : 22,056.30 = 8,909.46 : x
  2. Step 2: Convert to fraction form
    15,983.19/22,056.30 = 8,909.46/x
  3. Step 3: Cross multiply
    15,983.19x = 22,056.30 × 8,909.46
  4. Step 4: Simplify right side
    15,983.19x = 196,509,722.60
  5. Step 5: Solve for x
    x = 196,509,722.60/15,983.19
  6. Step 6: Final answer
    x = 12,294.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.