Home / 10,144.63-15,216.95-6,656.71

Finding the Fourth Proportional to 10,144.63, 15,216.95 and 6,656.71

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Solution

The fourth proportional to 10,144.63, 15,216.95 and 6,656.71 is: 9,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.63 : 15,216.95 = 6,656.71 : x
  2. Step 2: Convert to fraction form
    10,144.63/15,216.95 = 6,656.71/x
  3. Step 3: Cross multiply
    10,144.63x = 15,216.95 × 6,656.71
  4. Step 4: Simplify right side
    10,144.63x = 101,294,751.91
  5. Step 5: Solve for x
    x = 101,294,751.91/10,144.63
  6. Step 6: Final answer
    x = 9,985.06

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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.