Home / 15,417.15-21,280.11-9,044.01

Finding the Fourth Proportional to 15,417.15, 21,280.11 and 9,044.01

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Solution

The fourth proportional to 15,417.15, 21,280.11 and 9,044.01 is: 12,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,417.15 : 21,280.11 = 9,044.01 : x
  2. Step 2: Convert to fraction form
    15,417.15/21,280.11 = 9,044.01/x
  3. Step 3: Cross multiply
    15,417.15x = 21,280.11 × 9,044.01
  4. Step 4: Simplify right side
    15,417.15x = 192,457,591.92
  5. Step 5: Solve for x
    x = 192,457,591.92/15,417.15
  6. Step 6: Final answer
    x = 12,483.34

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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.