Home / 10,503.28-14,494.44-5,787.40

Finding the Fourth Proportional to 10,503.28, 14,494.44 and 5,787.40

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Solution

The fourth proportional to 10,503.28, 14,494.44 and 5,787.40 is: 7,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.28 : 14,494.44 = 5,787.40 : x
  2. Step 2: Convert to fraction form
    10,503.28/14,494.44 = 5,787.40/x
  3. Step 3: Cross multiply
    10,503.28x = 14,494.44 × 5,787.40
  4. Step 4: Simplify right side
    10,503.28x = 83,885,122.06
  5. Step 5: Solve for x
    x = 83,885,122.06/10,503.28
  6. Step 6: Final answer
    x = 7,986.56

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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.