Home / 10,094.09-13,929.95-5,557.28

Finding the Fourth Proportional to 10,094.09, 13,929.95 and 5,557.28

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Solution

The fourth proportional to 10,094.09, 13,929.95 and 5,557.28 is: 7,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,094.09 : 13,929.95 = 5,557.28 : x
  2. Step 2: Convert to fraction form
    10,094.09/13,929.95 = 5,557.28/x
  3. Step 3: Cross multiply
    10,094.09x = 13,929.95 × 5,557.28
  4. Step 4: Simplify right side
    10,094.09x = 77,412,576.78
  5. Step 5: Solve for x
    x = 77,412,576.78/10,094.09
  6. Step 6: Final answer
    x = 7,669.10

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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.