Home / 10,590.20-15,885.30-2,692.70

Finding the Fourth Proportional to 10,590.20, 15,885.30 and 2,692.70

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Solution

The fourth proportional to 10,590.20, 15,885.30 and 2,692.70 is: 4,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.20 : 15,885.30 = 2,692.70 : x
  2. Step 2: Convert to fraction form
    10,590.20/15,885.30 = 2,692.70/x
  3. Step 3: Cross multiply
    10,590.20x = 15,885.30 × 2,692.70
  4. Step 4: Simplify right side
    10,590.20x = 42,774,347.31
  5. Step 5: Solve for x
    x = 42,774,347.31/10,590.20
  6. Step 6: Final answer
    x = 4,039.05

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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.