Home / 15,384.02-21,230.57-8,669.93

Finding the Fourth Proportional to 15,384.02, 21,230.57 and 8,669.93

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Solution

The fourth proportional to 15,384.02, 21,230.57 and 8,669.93 is: 11,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.02 : 21,230.57 = 8,669.93 : x
  2. Step 2: Convert to fraction form
    15,384.02/21,230.57 = 8,669.93/x
  3. Step 3: Cross multiply
    15,384.02x = 21,230.57 × 8,669.93
  4. Step 4: Simplify right side
    15,384.02x = 184,067,502.68
  5. Step 5: Solve for x
    x = 184,067,502.68/15,384.02
  6. Step 6: Final answer
    x = 11,964.85

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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.