Home / 18,830.48-25,988.28-10,447.52

Finding the Fourth Proportional to 18,830.48, 25,988.28 and 10,447.52

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Solution

The fourth proportional to 18,830.48, 25,988.28 and 10,447.52 is: 14,418.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.48 : 25,988.28 = 10,447.52 : x
  2. Step 2: Convert to fraction form
    18,830.48/25,988.28 = 10,447.52/x
  3. Step 3: Cross multiply
    18,830.48x = 25,988.28 × 10,447.52
  4. Step 4: Simplify right side
    18,830.48x = 271,513,075.07
  5. Step 5: Solve for x
    x = 271,513,075.07/18,830.48
  6. Step 6: Final answer
    x = 14,418.81

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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.