Home / 11,325.60-15,628.95-6,290.01

Finding the Fourth Proportional to 11,325.60, 15,628.95 and 6,290.01

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Solution

The fourth proportional to 11,325.60, 15,628.95 and 6,290.01 is: 8,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.60 : 15,628.95 = 6,290.01 : x
  2. Step 2: Convert to fraction form
    11,325.60/15,628.95 = 6,290.01/x
  3. Step 3: Cross multiply
    11,325.60x = 15,628.95 × 6,290.01
  4. Step 4: Simplify right side
    11,325.60x = 98,306,251.79
  5. Step 5: Solve for x
    x = 98,306,251.79/11,325.60
  6. Step 6: Final answer
    x = 8,680.00

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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.