Home / 10,293.40-15,428.18-4,735.08

Finding the Fourth Proportional to 10,293.40, 15,428.18 and 4,735.08

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Solution

The fourth proportional to 10,293.40, 15,428.18 and 4,735.08 is: 7,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.40 : 15,428.18 = 4,735.08 : x
  2. Step 2: Convert to fraction form
    10,293.40/15,428.18 = 4,735.08/x
  3. Step 3: Cross multiply
    10,293.40x = 15,428.18 × 4,735.08
  4. Step 4: Simplify right side
    10,293.40x = 73,053,666.55
  5. Step 5: Solve for x
    x = 73,053,666.55/10,293.40
  6. Step 6: Final answer
    x = 7,097.14

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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.