Home / 19,261.35-28,842.69-13,330.02

Finding the Fourth Proportional to 19,261.35, 28,842.69 and 13,330.02

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Solution

The fourth proportional to 19,261.35, 28,842.69 and 13,330.02 is: 19,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.35 : 28,842.69 = 13,330.02 : x
  2. Step 2: Convert to fraction form
    19,261.35/28,842.69 = 13,330.02/x
  3. Step 3: Cross multiply
    19,261.35x = 28,842.69 × 13,330.02
  4. Step 4: Simplify right side
    19,261.35x = 384,473,423.69
  5. Step 5: Solve for x
    x = 384,473,423.69/19,261.35
  6. Step 6: Final answer
    x = 19,960.88

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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.