Home / 19,368.55-29,065.12-8,275.33

Finding the Fourth Proportional to 19,368.55, 29,065.12 and 8,275.33

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Solution

The fourth proportional to 19,368.55, 29,065.12 and 8,275.33 is: 12,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,368.55 : 29,065.12 = 8,275.33 : x
  2. Step 2: Convert to fraction form
    19,368.55/29,065.12 = 8,275.33/x
  3. Step 3: Cross multiply
    19,368.55x = 29,065.12 × 8,275.33
  4. Step 4: Simplify right side
    19,368.55x = 240,523,459.49
  5. Step 5: Solve for x
    x = 240,523,459.49/19,368.55
  6. Step 6: Final answer
    x = 12,418.25

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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.