Home / 15,541.20-23,285.88-10,915.92

Finding the Fourth Proportional to 15,541.20, 23,285.88 and 10,915.92

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Solution

The fourth proportional to 15,541.20, 23,285.88 and 10,915.92 is: 16,355.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.20 : 23,285.88 = 10,915.92 : x
  2. Step 2: Convert to fraction form
    15,541.20/23,285.88 = 10,915.92/x
  3. Step 3: Cross multiply
    15,541.20x = 23,285.88 × 10,915.92
  4. Step 4: Simplify right side
    15,541.20x = 254,186,803.21
  5. Step 5: Solve for x
    x = 254,186,803.21/15,541.20
  6. Step 6: Final answer
    x = 16,355.67

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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.