Home / 9,681.21-13,364.16-6,541.65

Finding the Fourth Proportional to 9,681.21, 13,364.16 and 6,541.65

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Solution

The fourth proportional to 9,681.21, 13,364.16 and 6,541.65 is: 9,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.21 : 13,364.16 = 6,541.65 : x
  2. Step 2: Convert to fraction form
    9,681.21/13,364.16 = 6,541.65/x
  3. Step 3: Cross multiply
    9,681.21x = 13,364.16 × 6,541.65
  4. Step 4: Simplify right side
    9,681.21x = 87,423,657.26
  5. Step 5: Solve for x
    x = 87,423,657.26/9,681.21
  6. Step 6: Final answer
    x = 9,030.24

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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.