Home / 15,143.13-22,706.49-6,376.30

Finding the Fourth Proportional to 15,143.13, 22,706.49 and 6,376.30

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Solution

The fourth proportional to 15,143.13, 22,706.49 and 6,376.30 is: 9,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.13 : 22,706.49 = 6,376.30 : x
  2. Step 2: Convert to fraction form
    15,143.13/22,706.49 = 6,376.30/x
  3. Step 3: Cross multiply
    15,143.13x = 22,706.49 × 6,376.30
  4. Step 4: Simplify right side
    15,143.13x = 144,783,392.19
  5. Step 5: Solve for x
    x = 144,783,392.19/15,143.13
  6. Step 6: Final answer
    x = 9,561.00

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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.