Home / 15,377.75-23,066.63-4,989.50

Finding the Fourth Proportional to 15,377.75, 23,066.63 and 4,989.50

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Solution

The fourth proportional to 15,377.75, 23,066.63 and 4,989.50 is: 7,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.75 : 23,066.63 = 4,989.50 : x
  2. Step 2: Convert to fraction form
    15,377.75/23,066.63 = 4,989.50/x
  3. Step 3: Cross multiply
    15,377.75x = 23,066.63 × 4,989.50
  4. Step 4: Simplify right side
    15,377.75x = 115,090,950.39
  5. Step 5: Solve for x
    x = 115,090,950.39/15,377.75
  6. Step 6: Final answer
    x = 7,484.25

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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.