Home / 9,513.19-13,131.21-6,533.20

Finding the Fourth Proportional to 9,513.19, 13,131.21 and 6,533.20

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Solution

The fourth proportional to 9,513.19, 13,131.21 and 6,533.20 is: 9,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,513.19 : 13,131.21 = 6,533.20 : x
  2. Step 2: Convert to fraction form
    9,513.19/13,131.21 = 6,533.20/x
  3. Step 3: Cross multiply
    9,513.19x = 13,131.21 × 6,533.20
  4. Step 4: Simplify right side
    9,513.19x = 85,788,821.17
  5. Step 5: Solve for x
    x = 85,788,821.17/9,513.19
  6. Step 6: Final answer
    x = 9,017.88

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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.