Home / 18,750.05-25,875.09-10,252.21

Finding the Fourth Proportional to 18,750.05, 25,875.09 and 10,252.21

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Solution

The fourth proportional to 18,750.05, 25,875.09 and 10,252.21 is: 14,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.05 : 25,875.09 = 10,252.21 : x
  2. Step 2: Convert to fraction form
    18,750.05/25,875.09 = 10,252.21/x
  3. Step 3: Cross multiply
    18,750.05x = 25,875.09 × 10,252.21
  4. Step 4: Simplify right side
    18,750.05x = 265,276,898.63
  5. Step 5: Solve for x
    x = 265,276,898.63/18,750.05
  6. Step 6: Final answer
    x = 14,148.06

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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.