Home / 15,386.07-21,232.18-8,673.06

Finding the Fourth Proportional to 15,386.07, 21,232.18 and 8,673.06

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Solution

The fourth proportional to 15,386.07, 21,232.18 and 8,673.06 is: 11,968.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.07 : 21,232.18 = 8,673.06 : x
  2. Step 2: Convert to fraction form
    15,386.07/21,232.18 = 8,673.06/x
  3. Step 3: Cross multiply
    15,386.07x = 21,232.18 × 8,673.06
  4. Step 4: Simplify right side
    15,386.07x = 184,147,971.07
  5. Step 5: Solve for x
    x = 184,147,971.07/15,386.07
  6. Step 6: Final answer
    x = 11,968.49

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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.