Home / 15,328.64-21,148.08-10,026.56

Finding the Fourth Proportional to 15,328.64, 21,148.08 and 10,026.56

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Solution

The fourth proportional to 15,328.64, 21,148.08 and 10,026.56 is: 13,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.64 : 21,148.08 = 10,026.56 : x
  2. Step 2: Convert to fraction form
    15,328.64/21,148.08 = 10,026.56/x
  3. Step 3: Cross multiply
    15,328.64x = 21,148.08 × 10,026.56
  4. Step 4: Simplify right side
    15,328.64x = 212,042,493.00
  5. Step 5: Solve for x
    x = 212,042,493.00/15,328.64
  6. Step 6: Final answer
    x = 13,833.09

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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.