Home / 10,337.45-14,268.87-7,688.44

Finding the Fourth Proportional to 10,337.45, 14,268.87 and 7,688.44

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Solution

The fourth proportional to 10,337.45, 14,268.87 and 7,688.44 is: 10,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.45 : 14,268.87 = 7,688.44 : x
  2. Step 2: Convert to fraction form
    10,337.45/14,268.87 = 7,688.44/x
  3. Step 3: Cross multiply
    10,337.45x = 14,268.87 × 7,688.44
  4. Step 4: Simplify right side
    10,337.45x = 109,705,368.70
  5. Step 5: Solve for x
    x = 109,705,368.70/10,337.45
  6. Step 6: Final answer
    x = 10,612.43

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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.