Home / 15,669.02-21,624.43-8,954.93

Finding the Fourth Proportional to 15,669.02, 21,624.43 and 8,954.93

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Solution

The fourth proportional to 15,669.02, 21,624.43 and 8,954.93 is: 12,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.02 : 21,624.43 = 8,954.93 : x
  2. Step 2: Convert to fraction form
    15,669.02/21,624.43 = 8,954.93/x
  3. Step 3: Cross multiply
    15,669.02x = 21,624.43 × 8,954.93
  4. Step 4: Simplify right side
    15,669.02x = 193,645,256.94
  5. Step 5: Solve for x
    x = 193,645,256.94/15,669.02
  6. Step 6: Final answer
    x = 12,358.48

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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.