Home / 18,875.80-26,048.92-10,378.27

Finding the Fourth Proportional to 18,875.80, 26,048.92 and 10,378.27

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Solution

The fourth proportional to 18,875.80, 26,048.92 and 10,378.27 is: 14,322.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.80 : 26,048.92 = 10,378.27 : x
  2. Step 2: Convert to fraction form
    18,875.80/26,048.92 = 10,378.27/x
  3. Step 3: Cross multiply
    18,875.80x = 26,048.92 × 10,378.27
  4. Step 4: Simplify right side
    18,875.80x = 270,342,594.72
  5. Step 5: Solve for x
    x = 270,342,594.72/18,875.80
  6. Step 6: Final answer
    x = 14,322.18

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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.