Home / 15,918.36-23,860.89-8,888.07

Finding the Fourth Proportional to 15,918.36, 23,860.89 and 8,888.07

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Solution

The fourth proportional to 15,918.36, 23,860.89 and 8,888.07 is: 13,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.36 : 23,860.89 = 8,888.07 : x
  2. Step 2: Convert to fraction form
    15,918.36/23,860.89 = 8,888.07/x
  3. Step 3: Cross multiply
    15,918.36x = 23,860.89 × 8,888.07
  4. Step 4: Simplify right side
    15,918.36x = 212,077,204.43
  5. Step 5: Solve for x
    x = 212,077,204.43/15,918.36
  6. Step 6: Final answer
    x = 13,322.80

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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.