Home / 13,031.02-19,542.39-4,263.58

Finding the Fourth Proportional to 13,031.02, 19,542.39 and 4,263.58

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Solution

The fourth proportional to 13,031.02, 19,542.39 and 4,263.58 is: 6,394.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.02 : 19,542.39 = 4,263.58 : x
  2. Step 2: Convert to fraction form
    13,031.02/19,542.39 = 4,263.58/x
  3. Step 3: Cross multiply
    13,031.02x = 19,542.39 × 4,263.58
  4. Step 4: Simplify right side
    13,031.02x = 83,320,543.16
  5. Step 5: Solve for x
    x = 83,320,543.16/13,031.02
  6. Step 6: Final answer
    x = 6,394.02

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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.