Home / 19,333.61-28,962.65-13,328.62

Finding the Fourth Proportional to 19,333.61, 28,962.65 and 13,328.62

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Solution

The fourth proportional to 19,333.61, 28,962.65 and 13,328.62 is: 19,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.61 : 28,962.65 = 13,328.62 : x
  2. Step 2: Convert to fraction form
    19,333.61/28,962.65 = 13,328.62/x
  3. Step 3: Cross multiply
    19,333.61x = 28,962.65 × 13,328.62
  4. Step 4: Simplify right side
    19,333.61x = 386,031,944.59
  5. Step 5: Solve for x
    x = 386,031,944.59/19,333.61
  6. Step 6: Final answer
    x = 19,966.89

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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.