Home / 18,853.19-28,254.27-7,160.03

Finding the Fourth Proportional to 18,853.19, 28,254.27 and 7,160.03

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Solution

The fourth proportional to 18,853.19, 28,254.27 and 7,160.03 is: 10,730.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,853.19 : 28,254.27 = 7,160.03 : x
  2. Step 2: Convert to fraction form
    18,853.19/28,254.27 = 7,160.03/x
  3. Step 3: Cross multiply
    18,853.19x = 28,254.27 × 7,160.03
  4. Step 4: Simplify right side
    18,853.19x = 202,301,420.83
  5. Step 5: Solve for x
    x = 202,301,420.83/18,853.19
  6. Step 6: Final answer
    x = 10,730.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.