Home / 19,283.61-28,892.35-12,946.62

Finding the Fourth Proportional to 19,283.61, 28,892.35 and 12,946.62

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Solution

The fourth proportional to 19,283.61, 28,892.35 and 12,946.62 is: 19,397.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.61 : 28,892.35 = 12,946.62 : x
  2. Step 2: Convert to fraction form
    19,283.61/28,892.35 = 12,946.62/x
  3. Step 3: Cross multiply
    19,283.61x = 28,892.35 × 12,946.62
  4. Step 4: Simplify right side
    19,283.61x = 374,058,276.36
  5. Step 5: Solve for x
    x = 374,058,276.36/19,283.61
  6. Step 6: Final answer
    x = 19,397.73

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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.