Home / 15,416.81-23,122.60-4,320.94

Finding the Fourth Proportional to 15,416.81, 23,122.60 and 4,320.94

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Solution

The fourth proportional to 15,416.81, 23,122.60 and 4,320.94 is: 6,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.81 : 23,122.60 = 4,320.94 : x
  2. Step 2: Convert to fraction form
    15,416.81/23,122.60 = 4,320.94/x
  3. Step 3: Cross multiply
    15,416.81x = 23,122.60 × 4,320.94
  4. Step 4: Simplify right side
    15,416.81x = 99,911,401.55
  5. Step 5: Solve for x
    x = 99,911,401.55/15,416.81
  6. Step 6: Final answer
    x = 6,480.68

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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.