Home / 9,513.30-13,140.90-7,302.50

Finding the Fourth Proportional to 9,513.30, 13,140.90 and 7,302.50

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Solution

The fourth proportional to 9,513.30, 13,140.90 and 7,302.50 is: 10,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.30 : 13,140.90 = 7,302.50 : x
  2. Step 2: Convert to fraction form
    9,513.30/13,140.90 = 7,302.50/x
  3. Step 3: Cross multiply
    9,513.30x = 13,140.90 × 7,302.50
  4. Step 4: Simplify right side
    9,513.30x = 95,961,422.25
  5. Step 5: Solve for x
    x = 95,961,422.25/9,513.30
  6. Step 6: Final answer
    x = 10,087.08

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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.