Home / 10,762.04-16,138.20-10,421.84

Finding the Fourth Proportional to 10,762.04, 16,138.20 and 10,421.84

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Solution

The fourth proportional to 10,762.04, 16,138.20 and 10,421.84 is: 15,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.04 : 16,138.20 = 10,421.84 : x
  2. Step 2: Convert to fraction form
    10,762.04/16,138.20 = 10,421.84/x
  3. Step 3: Cross multiply
    10,762.04x = 16,138.20 × 10,421.84
  4. Step 4: Simplify right side
    10,762.04x = 168,189,738.29
  5. Step 5: Solve for x
    x = 168,189,738.29/10,762.04
  6. Step 6: Final answer
    x = 15,628.05

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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.