Home / 18,862.50-26,030.28-10,365.30

Finding the Fourth Proportional to 18,862.50, 26,030.28 and 10,365.30

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Solution

The fourth proportional to 18,862.50, 26,030.28 and 10,365.30 is: 14,304.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.50 : 26,030.28 = 10,365.30 : x
  2. Step 2: Convert to fraction form
    18,862.50/26,030.28 = 10,365.30/x
  3. Step 3: Cross multiply
    18,862.50x = 26,030.28 × 10,365.30
  4. Step 4: Simplify right side
    18,862.50x = 269,811,661.28
  5. Step 5: Solve for x
    x = 269,811,661.28/18,862.50
  6. Step 6: Final answer
    x = 14,304.13

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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.