Home / 14,970.04-20,658.80-8,255.90

Finding the Fourth Proportional to 14,970.04, 20,658.80 and 8,255.90

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Solution

The fourth proportional to 14,970.04, 20,658.80 and 8,255.90 is: 11,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,970.04 : 20,658.80 = 8,255.90 : x
  2. Step 2: Convert to fraction form
    14,970.04/20,658.80 = 8,255.90/x
  3. Step 3: Cross multiply
    14,970.04x = 20,658.80 × 8,255.90
  4. Step 4: Simplify right side
    14,970.04x = 170,556,986.92
  5. Step 5: Solve for x
    x = 170,556,986.92/14,970.04
  6. Step 6: Final answer
    x = 11,393.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.