Home / 18,357.11-25,328.55-10,699.19

Finding the Fourth Proportional to 18,357.11, 25,328.55 and 10,699.19

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Solution

The fourth proportional to 18,357.11, 25,328.55 and 10,699.19 is: 14,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.11 : 25,328.55 = 10,699.19 : x
  2. Step 2: Convert to fraction form
    18,357.11/25,328.55 = 10,699.19/x
  3. Step 3: Cross multiply
    18,357.11x = 25,328.55 × 10,699.19
  4. Step 4: Simplify right side
    18,357.11x = 270,994,968.87
  5. Step 5: Solve for x
    x = 270,994,968.87/18,357.11
  6. Step 6: Final answer
    x = 14,762.40

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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.