Home / 9,929.46-13,701.66-5,681.64

Finding the Fourth Proportional to 9,929.46, 13,701.66 and 5,681.64

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Solution

The fourth proportional to 9,929.46, 13,701.66 and 5,681.64 is: 7,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.46 : 13,701.66 = 5,681.64 : x
  2. Step 2: Convert to fraction form
    9,929.46/13,701.66 = 5,681.64/x
  3. Step 3: Cross multiply
    9,929.46x = 13,701.66 × 5,681.64
  4. Step 4: Simplify right side
    9,929.46x = 77,847,899.52
  5. Step 5: Solve for x
    x = 77,847,899.52/9,929.46
  6. Step 6: Final answer
    x = 7,840.09

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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.