Home / 15,101.55-20,809.04-10,630.35

Finding the Fourth Proportional to 15,101.55, 20,809.04 and 10,630.35

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Solution

The fourth proportional to 15,101.55, 20,809.04 and 10,630.35 is: 14,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.55 : 20,809.04 = 10,630.35 : x
  2. Step 2: Convert to fraction form
    15,101.55/20,809.04 = 10,630.35/x
  3. Step 3: Cross multiply
    15,101.55x = 20,809.04 × 10,630.35
  4. Step 4: Simplify right side
    15,101.55x = 221,207,325.21
  5. Step 5: Solve for x
    x = 221,207,325.21/15,101.55
  6. Step 6: Final answer
    x = 14,647.99

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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.