Home / 19,742.55-29,625.53-7,271.34

Finding the Fourth Proportional to 19,742.55, 29,625.53 and 7,271.34

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Solution

The fourth proportional to 19,742.55, 29,625.53 and 7,271.34 is: 10,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.55 : 29,625.53 = 7,271.34 : x
  2. Step 2: Convert to fraction form
    19,742.55/29,625.53 = 7,271.34/x
  3. Step 3: Cross multiply
    19,742.55x = 29,625.53 × 7,271.34
  4. Step 4: Simplify right side
    19,742.55x = 215,417,264.95
  5. Step 5: Solve for x
    x = 215,417,264.95/19,742.55
  6. Step 6: Final answer
    x = 10,911.32

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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.