Home / 10,130.90-13,986.96-6,547.73

Finding the Fourth Proportional to 10,130.90, 13,986.96 and 6,547.73

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Solution

The fourth proportional to 10,130.90, 13,986.96 and 6,547.73 is: 9,039.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.90 : 13,986.96 = 6,547.73 : x
  2. Step 2: Convert to fraction form
    10,130.90/13,986.96 = 6,547.73/x
  3. Step 3: Cross multiply
    10,130.90x = 13,986.96 × 6,547.73
  4. Step 4: Simplify right side
    10,130.90x = 91,582,837.60
  5. Step 5: Solve for x
    x = 91,582,837.60/10,130.90
  6. Step 6: Final answer
    x = 9,039.95

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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.