Home / 11,026.47-15,210.70-6,986.17

Finding the Fourth Proportional to 11,026.47, 15,210.70 and 6,986.17

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Solution

The fourth proportional to 11,026.47, 15,210.70 and 6,986.17 is: 9,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.47 : 15,210.70 = 6,986.17 : x
  2. Step 2: Convert to fraction form
    11,026.47/15,210.70 = 6,986.17/x
  3. Step 3: Cross multiply
    11,026.47x = 15,210.70 × 6,986.17
  4. Step 4: Simplify right side
    11,026.47x = 106,264,536.02
  5. Step 5: Solve for x
    x = 106,264,536.02/11,026.47
  6. Step 6: Final answer
    x = 9,637.22

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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.