Home / 18,653.28-25,743.73-10,478.24

Finding the Fourth Proportional to 18,653.28, 25,743.73 and 10,478.24

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Solution

The fourth proportional to 18,653.28, 25,743.73 and 10,478.24 is: 14,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.28 : 25,743.73 = 10,478.24 : x
  2. Step 2: Convert to fraction form
    18,653.28/25,743.73 = 10,478.24/x
  3. Step 3: Cross multiply
    18,653.28x = 25,743.73 × 10,478.24
  4. Step 4: Simplify right side
    18,653.28x = 269,748,826.52
  5. Step 5: Solve for x
    x = 269,748,826.52/18,653.28
  6. Step 6: Final answer
    x = 14,461.20

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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.