Home / 15,293.07-21,106.04-8,580.51

Finding the Fourth Proportional to 15,293.07, 21,106.04 and 8,580.51

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Solution

The fourth proportional to 15,293.07, 21,106.04 and 8,580.51 is: 11,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.07 : 21,106.04 = 8,580.51 : x
  2. Step 2: Convert to fraction form
    15,293.07/21,106.04 = 8,580.51/x
  3. Step 3: Cross multiply
    15,293.07x = 21,106.04 × 8,580.51
  4. Step 4: Simplify right side
    15,293.07x = 181,100,544.38
  5. Step 5: Solve for x
    x = 181,100,544.38/15,293.07
  6. Step 6: Final answer
    x = 11,842.00

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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.