Home / 18,810.56-25,959.40-10,426.48

Finding the Fourth Proportional to 18,810.56, 25,959.40 and 10,426.48

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Solution

The fourth proportional to 18,810.56, 25,959.40 and 10,426.48 is: 14,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.56 : 25,959.40 = 10,426.48 : x
  2. Step 2: Convert to fraction form
    18,810.56/25,959.40 = 10,426.48/x
  3. Step 3: Cross multiply
    18,810.56x = 25,959.40 × 10,426.48
  4. Step 4: Simplify right side
    18,810.56x = 270,665,164.91
  5. Step 5: Solve for x
    x = 270,665,164.91/18,810.56
  6. Step 6: Final answer
    x = 14,389.00

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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.