Home / 22,386.08-30,907.14-13,897.10

Finding the Fourth Proportional to 22,386.08, 30,907.14 and 13,897.10

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Solution

The fourth proportional to 22,386.08, 30,907.14 and 13,897.10 is: 19,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,386.08 : 30,907.14 = 13,897.10 : x
  2. Step 2: Convert to fraction form
    22,386.08/30,907.14 = 13,897.10/x
  3. Step 3: Cross multiply
    22,386.08x = 30,907.14 × 13,897.10
  4. Step 4: Simplify right side
    22,386.08x = 429,519,615.29
  5. Step 5: Solve for x
    x = 429,519,615.29/22,386.08
  6. Step 6: Final answer
    x = 19,186.91

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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.