Home / 9,657.72-14,488.75-5,215.29

Finding the Fourth Proportional to 9,657.72, 14,488.75 and 5,215.29

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Solution

The fourth proportional to 9,657.72, 14,488.75 and 5,215.29 is: 7,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657.72 : 14,488.75 = 5,215.29 : x
  2. Step 2: Convert to fraction form
    9,657.72/14,488.75 = 5,215.29/x
  3. Step 3: Cross multiply
    9,657.72x = 14,488.75 × 5,215.29
  4. Step 4: Simplify right side
    9,657.72x = 75,562,985.17
  5. Step 5: Solve for x
    x = 75,562,985.17/9,657.72
  6. Step 6: Final answer
    x = 7,824.10

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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.