Home / 15,928.16-23,860.70-10,918.20

Finding the Fourth Proportional to 15,928.16, 23,860.70 and 10,918.20

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Solution

The fourth proportional to 15,928.16, 23,860.70 and 10,918.20 is: 16,355.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.16 : 23,860.70 = 10,918.20 : x
  2. Step 2: Convert to fraction form
    15,928.16/23,860.70 = 10,918.20/x
  3. Step 3: Cross multiply
    15,928.16x = 23,860.70 × 10,918.20
  4. Step 4: Simplify right side
    15,928.16x = 260,515,894.74
  5. Step 5: Solve for x
    x = 260,515,894.74/15,928.16
  6. Step 6: Final answer
    x = 16,355.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.