Home / 15,881.02-21,908.76-10,214.74

Finding the Fourth Proportional to 15,881.02, 21,908.76 and 10,214.74

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Solution

The fourth proportional to 15,881.02, 21,908.76 and 10,214.74 is: 14,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.02 : 21,908.76 = 10,214.74 : x
  2. Step 2: Convert to fraction form
    15,881.02/21,908.76 = 10,214.74/x
  3. Step 3: Cross multiply
    15,881.02x = 21,908.76 × 10,214.74
  4. Step 4: Simplify right side
    15,881.02x = 223,792,287.12
  5. Step 5: Solve for x
    x = 223,792,287.12/15,881.02
  6. Step 6: Final answer
    x = 14,091.81

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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.