Home / 19,307.55-28,958.25-7,459.56

Finding the Fourth Proportional to 19,307.55, 28,958.25 and 7,459.56

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Solution

The fourth proportional to 19,307.55, 28,958.25 and 7,459.56 is: 11,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307.55 : 28,958.25 = 7,459.56 : x
  2. Step 2: Convert to fraction form
    19,307.55/28,958.25 = 7,459.56/x
  3. Step 3: Cross multiply
    19,307.55x = 28,958.25 × 7,459.56
  4. Step 4: Simplify right side
    19,307.55x = 216,015,803.37
  5. Step 5: Solve for x
    x = 216,015,803.37/19,307.55
  6. Step 6: Final answer
    x = 11,188.15

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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.