Home / 19,298.15-26,631.92-10,800.20

Finding the Fourth Proportional to 19,298.15, 26,631.92 and 10,800.20

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Solution

The fourth proportional to 19,298.15, 26,631.92 and 10,800.20 is: 14,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.15 : 26,631.92 = 10,800.20 : x
  2. Step 2: Convert to fraction form
    19,298.15/26,631.92 = 10,800.20/x
  3. Step 3: Cross multiply
    19,298.15x = 26,631.92 × 10,800.20
  4. Step 4: Simplify right side
    19,298.15x = 287,630,128.96
  5. Step 5: Solve for x
    x = 287,630,128.96/19,298.15
  6. Step 6: Final answer
    x = 14,904.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.