Home / 11,887.48-17,851.47-9,911.08

Finding the Fourth Proportional to 11,887.48, 17,851.47 and 9,911.08

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Solution

The fourth proportional to 11,887.48, 17,851.47 and 9,911.08 is: 14,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.48 : 17,851.47 = 9,911.08 : x
  2. Step 2: Convert to fraction form
    11,887.48/17,851.47 = 9,911.08/x
  3. Step 3: Cross multiply
    11,887.48x = 17,851.47 × 9,911.08
  4. Step 4: Simplify right side
    11,887.48x = 176,927,347.29
  5. Step 5: Solve for x
    x = 176,927,347.29/11,887.48
  6. Step 6: Final answer
    x = 14,883.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.