Home / 15,215.10-22,822.47-5,354.34

Finding the Fourth Proportional to 15,215.10, 22,822.47 and 5,354.34

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Solution

The fourth proportional to 15,215.10, 22,822.47 and 5,354.34 is: 8,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.10 : 22,822.47 = 5,354.34 : x
  2. Step 2: Convert to fraction form
    15,215.10/22,822.47 = 5,354.34/x
  3. Step 3: Cross multiply
    15,215.10x = 22,822.47 × 5,354.34
  4. Step 4: Simplify right side
    15,215.10x = 122,199,264.02
  5. Step 5: Solve for x
    x = 122,199,264.02/15,215.10
  6. Step 6: Final answer
    x = 8,031.45

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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.