Home / 9,681.46-13,364.49-6,541.90

Finding the Fourth Proportional to 9,681.46, 13,364.49 and 6,541.90

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Solution

The fourth proportional to 9,681.46, 13,364.49 and 6,541.90 is: 9,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.46 : 13,364.49 = 6,541.90 : x
  2. Step 2: Convert to fraction form
    9,681.46/13,364.49 = 6,541.90/x
  3. Step 3: Cross multiply
    9,681.46x = 13,364.49 × 6,541.90
  4. Step 4: Simplify right side
    9,681.46x = 87,429,157.13
  5. Step 5: Solve for x
    x = 87,429,157.13/9,681.46
  6. Step 6: Final answer
    x = 9,030.58

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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.