Home / 18,897.48-26,075.16-10,939.32

Finding the Fourth Proportional to 18,897.48, 26,075.16 and 10,939.32

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Solution

The fourth proportional to 18,897.48, 26,075.16 and 10,939.32 is: 15,094.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.48 : 26,075.16 = 10,939.32 : x
  2. Step 2: Convert to fraction form
    18,897.48/26,075.16 = 10,939.32/x
  3. Step 3: Cross multiply
    18,897.48x = 26,075.16 × 10,939.32
  4. Step 4: Simplify right side
    18,897.48x = 285,244,519.29
  5. Step 5: Solve for x
    x = 285,244,519.29/18,897.48
  6. Step 6: Final answer
    x = 15,094.32

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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.