Home / 10,343.66-14,269.62-6,985.40

Finding the Fourth Proportional to 10,343.66, 14,269.62 and 6,985.40

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Solution

The fourth proportional to 10,343.66, 14,269.62 and 6,985.40 is: 9,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.66 : 14,269.62 = 6,985.40 : x
  2. Step 2: Convert to fraction form
    10,343.66/14,269.62 = 6,985.40/x
  3. Step 3: Cross multiply
    10,343.66x = 14,269.62 × 6,985.40
  4. Step 4: Simplify right side
    10,343.66x = 99,679,003.55
  5. Step 5: Solve for x
    x = 99,679,003.55/10,343.66
  6. Step 6: Final answer
    x = 9,636.72

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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.