Home / 10,176.04-15,242.58-8,416.72

Finding the Fourth Proportional to 10,176.04, 15,242.58 and 8,416.72

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Solution

The fourth proportional to 10,176.04, 15,242.58 and 8,416.72 is: 12,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.04 : 15,242.58 = 8,416.72 : x
  2. Step 2: Convert to fraction form
    10,176.04/15,242.58 = 8,416.72/x
  3. Step 3: Cross multiply
    10,176.04x = 15,242.58 × 8,416.72
  4. Step 4: Simplify right side
    10,176.04x = 128,292,527.94
  5. Step 5: Solve for x
    x = 128,292,527.94/10,176.04
  6. Step 6: Final answer
    x = 12,607.31

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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.