Home / 18,461.47-25,459.77-16,329.16

Finding the Fourth Proportional to 18,461.47, 25,459.77 and 16,329.16

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Solution

The fourth proportional to 18,461.47, 25,459.77 and 16,329.16 is: 22,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.47 : 25,459.77 = 16,329.16 : x
  2. Step 2: Convert to fraction form
    18,461.47/25,459.77 = 16,329.16/x
  3. Step 3: Cross multiply
    18,461.47x = 25,459.77 × 16,329.16
  4. Step 4: Simplify right side
    18,461.47x = 415,736,657.89
  5. Step 5: Solve for x
    x = 415,736,657.89/18,461.47
  6. Step 6: Final answer
    x = 22,519.15

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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.