Home / 15,377.20-23,013.67-9,457.80

Finding the Fourth Proportional to 15,377.20, 23,013.67 and 9,457.80

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Solution

The fourth proportional to 15,377.20, 23,013.67 and 9,457.80 is: 14,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.20 : 23,013.67 = 9,457.80 : x
  2. Step 2: Convert to fraction form
    15,377.20/23,013.67 = 9,457.80/x
  3. Step 3: Cross multiply
    15,377.20x = 23,013.67 × 9,457.80
  4. Step 4: Simplify right side
    15,377.20x = 217,658,688.13
  5. Step 5: Solve for x
    x = 217,658,688.13/15,377.20
  6. Step 6: Final answer
    x = 14,154.64

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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.