Home / 18,830.48-25,985.14-10,875.26

Finding the Fourth Proportional to 18,830.48, 25,985.14 and 10,875.26

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Solution

The fourth proportional to 18,830.48, 25,985.14 and 10,875.26 is: 15,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.48 : 25,985.14 = 10,875.26 : x
  2. Step 2: Convert to fraction form
    18,830.48/25,985.14 = 10,875.26/x
  3. Step 3: Cross multiply
    18,830.48x = 25,985.14 × 10,875.26
  4. Step 4: Simplify right side
    18,830.48x = 282,595,191.41
  5. Step 5: Solve for x
    x = 282,595,191.41/18,830.48
  6. Step 6: Final answer
    x = 15,007.33

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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.