Home / 15,885.18-23,803.47-8,490.69

Finding the Fourth Proportional to 15,885.18, 23,803.47 and 8,490.69

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Solution

The fourth proportional to 15,885.18, 23,803.47 and 8,490.69 is: 12,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.18 : 23,803.47 = 8,490.69 : x
  2. Step 2: Convert to fraction form
    15,885.18/23,803.47 = 8,490.69/x
  3. Step 3: Cross multiply
    15,885.18x = 23,803.47 × 8,490.69
  4. Step 4: Simplify right side
    15,885.18x = 202,107,884.69
  5. Step 5: Solve for x
    x = 202,107,884.69/15,885.18
  6. Step 6: Final answer
    x = 12,723.05

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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.