Home / 15,880.02-21,901.74-10,849.92

Finding the Fourth Proportional to 15,880.02, 21,901.74 and 10,849.92

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Solution

The fourth proportional to 15,880.02, 21,901.74 and 10,849.92 is: 14,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880.02 : 21,901.74 = 10,849.92 : x
  2. Step 2: Convert to fraction form
    15,880.02/21,901.74 = 10,849.92/x
  3. Step 3: Cross multiply
    15,880.02x = 21,901.74 × 10,849.92
  4. Step 4: Simplify right side
    15,880.02x = 237,632,126.86
  5. Step 5: Solve for x
    x = 237,632,126.86/15,880.02
  6. Step 6: Final answer
    x = 14,964.22

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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.