Home / 10,538.08-15,823.56-10,070.68

Finding the Fourth Proportional to 10,538.08, 15,823.56 and 10,070.68

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Solution

The fourth proportional to 10,538.08, 15,823.56 and 10,070.68 is: 15,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.08 : 15,823.56 = 10,070.68 : x
  2. Step 2: Convert to fraction form
    10,538.08/15,823.56 = 10,070.68/x
  3. Step 3: Cross multiply
    10,538.08x = 15,823.56 × 10,070.68
  4. Step 4: Simplify right side
    10,538.08x = 159,354,009.22
  5. Step 5: Solve for x
    x = 159,354,009.22/10,538.08
  6. Step 6: Final answer
    x = 15,121.73

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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.