Home / 15,030.34-20,741.30-8,316.24

Finding the Fourth Proportional to 15,030.34, 20,741.30 and 8,316.24

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Solution

The fourth proportional to 15,030.34, 20,741.30 and 8,316.24 is: 11,476.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030.34 : 20,741.30 = 8,316.24 : x
  2. Step 2: Convert to fraction form
    15,030.34/20,741.30 = 8,316.24/x
  3. Step 3: Cross multiply
    15,030.34x = 20,741.30 × 8,316.24
  4. Step 4: Simplify right side
    15,030.34x = 172,489,628.71
  5. Step 5: Solve for x
    x = 172,489,628.71/15,030.34
  6. Step 6: Final answer
    x = 11,476.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.