Home / 18,342.06-25,312.44-10,384.29

Finding the Fourth Proportional to 18,342.06, 25,312.44 and 10,384.29

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Solution

The fourth proportional to 18,342.06, 25,312.44 and 10,384.29 is: 14,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.06 : 25,312.44 = 10,384.29 : x
  2. Step 2: Convert to fraction form
    18,342.06/25,312.44 = 10,384.29/x
  3. Step 3: Cross multiply
    18,342.06x = 25,312.44 × 10,384.29
  4. Step 4: Simplify right side
    18,342.06x = 262,851,717.57
  5. Step 5: Solve for x
    x = 262,851,717.57/18,342.06
  6. Step 6: Final answer
    x = 14,330.55

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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.