Home / 10,432.36-15,643.78-4,506.45

Finding the Fourth Proportional to 10,432.36, 15,643.78 and 4,506.45

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Solution

The fourth proportional to 10,432.36, 15,643.78 and 4,506.45 is: 6,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,432.36 : 15,643.78 = 4,506.45 : x
  2. Step 2: Convert to fraction form
    10,432.36/15,643.78 = 4,506.45/x
  3. Step 3: Cross multiply
    10,432.36x = 15,643.78 × 4,506.45
  4. Step 4: Simplify right side
    10,432.36x = 70,497,955.80
  5. Step 5: Solve for x
    x = 70,497,955.80/10,432.36
  6. Step 6: Final answer
    x = 6,757.62

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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.