Home / 18,587.34-25,645.59-16,225.02

Finding the Fourth Proportional to 18,587.34, 25,645.59 and 16,225.02

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Solution

The fourth proportional to 18,587.34, 25,645.59 and 16,225.02 is: 22,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.34 : 25,645.59 = 16,225.02 : x
  2. Step 2: Convert to fraction form
    18,587.34/25,645.59 = 16,225.02/x
  3. Step 3: Cross multiply
    18,587.34x = 25,645.59 × 16,225.02
  4. Step 4: Simplify right side
    18,587.34x = 416,100,210.66
  5. Step 5: Solve for x
    x = 416,100,210.66/18,587.34
  6. Step 6: Final answer
    x = 22,386.22

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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.