Home / 10,185.34-15,281.36-6,432.79

Finding the Fourth Proportional to 10,185.34, 15,281.36 and 6,432.79

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Solution

The fourth proportional to 10,185.34, 15,281.36 and 6,432.79 is: 9,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.34 : 15,281.36 = 6,432.79 : x
  2. Step 2: Convert to fraction form
    10,185.34/15,281.36 = 6,432.79/x
  3. Step 3: Cross multiply
    10,185.34x = 15,281.36 × 6,432.79
  4. Step 4: Simplify right side
    10,185.34x = 98,301,779.79
  5. Step 5: Solve for x
    x = 98,301,779.79/10,185.34
  6. Step 6: Final answer
    x = 9,651.30

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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.