Home / 13,166.60-19,746.30-5,376.20

Finding the Fourth Proportional to 13,166.60, 19,746.30 and 5,376.20

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Solution

The fourth proportional to 13,166.60, 19,746.30 and 5,376.20 is: 8,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.60 : 19,746.30 = 5,376.20 : x
  2. Step 2: Convert to fraction form
    13,166.60/19,746.30 = 5,376.20/x
  3. Step 3: Cross multiply
    13,166.60x = 19,746.30 × 5,376.20
  4. Step 4: Simplify right side
    13,166.60x = 106,160,058.06
  5. Step 5: Solve for x
    x = 106,160,058.06/13,166.60
  6. Step 6: Final answer
    x = 8,062.83

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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.