Home / 10,074.43-15,125.35-6,946.68

Finding the Fourth Proportional to 10,074.43, 15,125.35 and 6,946.68

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Solution

The fourth proportional to 10,074.43, 15,125.35 and 6,946.68 is: 10,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.43 : 15,125.35 = 6,946.68 : x
  2. Step 2: Convert to fraction form
    10,074.43/15,125.35 = 6,946.68/x
  3. Step 3: Cross multiply
    10,074.43x = 15,125.35 × 6,946.68
  4. Step 4: Simplify right side
    10,074.43x = 105,070,966.34
  5. Step 5: Solve for x
    x = 105,070,966.34/10,074.43
  6. Step 6: Final answer
    x = 10,429.47

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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.