Home / 22,074.48-30,447.36-14,988.60

Finding the Fourth Proportional to 22,074.48, 30,447.36 and 14,988.60

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Solution

The fourth proportional to 22,074.48, 30,447.36 and 14,988.60 is: 20,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.48 : 30,447.36 = 14,988.60 : x
  2. Step 2: Convert to fraction form
    22,074.48/30,447.36 = 14,988.60/x
  3. Step 3: Cross multiply
    22,074.48x = 30,447.36 × 14,988.60
  4. Step 4: Simplify right side
    22,074.48x = 456,363,300.10
  5. Step 5: Solve for x
    x = 456,363,300.10/22,074.48
  6. Step 6: Final answer
    x = 20,673.80

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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.