Home / 10,343.34-15,510.42-4,720.86

Finding the Fourth Proportional to 10,343.34, 15,510.42 and 4,720.86

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Solution

The fourth proportional to 10,343.34, 15,510.42 and 4,720.86 is: 7,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.34 : 15,510.42 = 4,720.86 : x
  2. Step 2: Convert to fraction form
    10,343.34/15,510.42 = 4,720.86/x
  3. Step 3: Cross multiply
    10,343.34x = 15,510.42 × 4,720.86
  4. Step 4: Simplify right side
    10,343.34x = 73,222,521.36
  5. Step 5: Solve for x
    x = 73,222,521.36/10,343.34
  6. Step 6: Final answer
    x = 7,079.20

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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.