Home / 10,353.44-14,271.10-6,995.20

Finding the Fourth Proportional to 10,353.44, 14,271.10 and 6,995.20

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Solution

The fourth proportional to 10,353.44, 14,271.10 and 6,995.20 is: 9,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.44 : 14,271.10 = 6,995.20 : x
  2. Step 2: Convert to fraction form
    10,353.44/14,271.10 = 6,995.20/x
  3. Step 3: Cross multiply
    10,353.44x = 14,271.10 × 6,995.20
  4. Step 4: Simplify right side
    10,353.44x = 99,829,198.72
  5. Step 5: Solve for x
    x = 99,829,198.72/10,353.44
  6. Step 6: Final answer
    x = 9,642.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.