Home / 10,090.29-15,130.23-4,538.91

Finding the Fourth Proportional to 10,090.29, 15,130.23 and 4,538.91

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Solution

The fourth proportional to 10,090.29, 15,130.23 and 4,538.91 is: 6,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.29 : 15,130.23 = 4,538.91 : x
  2. Step 2: Convert to fraction form
    10,090.29/15,130.23 = 4,538.91/x
  3. Step 3: Cross multiply
    10,090.29x = 15,130.23 × 4,538.91
  4. Step 4: Simplify right side
    10,090.29x = 68,674,752.25
  5. Step 5: Solve for x
    x = 68,674,752.25/10,090.29
  6. Step 6: Final answer
    x = 6,806.02

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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.