Home / 15,783.13-23,684.42-8,768.53

Finding the Fourth Proportional to 15,783.13, 23,684.42 and 8,768.53

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Solution

The fourth proportional to 15,783.13, 23,684.42 and 8,768.53 is: 13,158.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.13 : 23,684.42 = 8,768.53 : x
  2. Step 2: Convert to fraction form
    15,783.13/23,684.42 = 8,768.53/x
  3. Step 3: Cross multiply
    15,783.13x = 23,684.42 × 8,768.53
  4. Step 4: Simplify right side
    15,783.13x = 207,677,547.30
  5. Step 5: Solve for x
    x = 207,677,547.30/15,783.13
  6. Step 6: Final answer
    x = 13,158.20

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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.