Home / 15,421.35-23,133.47-4,327.98

Finding the Fourth Proportional to 15,421.35, 23,133.47 and 4,327.98

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Solution

The fourth proportional to 15,421.35, 23,133.47 and 4,327.98 is: 6,492.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.35 : 23,133.47 = 4,327.98 : x
  2. Step 2: Convert to fraction form
    15,421.35/23,133.47 = 4,327.98/x
  3. Step 3: Cross multiply
    15,421.35x = 23,133.47 × 4,327.98
  4. Step 4: Simplify right side
    15,421.35x = 100,121,260.60
  5. Step 5: Solve for x
    x = 100,121,260.60/15,421.35
  6. Step 6: Final answer
    x = 6,492.38

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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.