Home / 18,823.47-25,973.44-10,864.21

Finding the Fourth Proportional to 18,823.47, 25,973.44 and 10,864.21

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Solution

The fourth proportional to 18,823.47, 25,973.44 and 10,864.21 is: 14,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.47 : 25,973.44 = 10,864.21 : x
  2. Step 2: Convert to fraction form
    18,823.47/25,973.44 = 10,864.21/x
  3. Step 3: Cross multiply
    18,823.47x = 25,973.44 × 10,864.21
  4. Step 4: Simplify right side
    18,823.47x = 282,180,852.26
  5. Step 5: Solve for x
    x = 282,180,852.26/18,823.47
  6. Step 6: Final answer
    x = 14,990.91

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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.