Home / 15,004.32-20,692.51-12,494.74

Finding the Fourth Proportional to 15,004.32, 20,692.51 and 12,494.74

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Solution

The fourth proportional to 15,004.32, 20,692.51 and 12,494.74 is: 17,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,004.32 : 20,692.51 = 12,494.74 : x
  2. Step 2: Convert to fraction form
    15,004.32/20,692.51 = 12,494.74/x
  3. Step 3: Cross multiply
    15,004.32x = 20,692.51 × 12,494.74
  4. Step 4: Simplify right side
    15,004.32x = 258,547,532.40
  5. Step 5: Solve for x
    x = 258,547,532.40/15,004.32
  6. Step 6: Final answer
    x = 17,231.54

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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.