Home / 15,037.02-20,751.11-8,322.93

Finding the Fourth Proportional to 15,037.02, 20,751.11 and 8,322.93

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Solution

The fourth proportional to 15,037.02, 20,751.11 and 8,322.93 is: 11,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037.02 : 20,751.11 = 8,322.93 : x
  2. Step 2: Convert to fraction form
    15,037.02/20,751.11 = 8,322.93/x
  3. Step 3: Cross multiply
    15,037.02x = 20,751.11 × 8,322.93
  4. Step 4: Simplify right side
    15,037.02x = 172,710,035.95
  5. Step 5: Solve for x
    x = 172,710,035.95/15,037.02
  6. Step 6: Final answer
    x = 11,485.66

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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.