Home / 19,487.61-29,235.74-9,093.69

Finding the Fourth Proportional to 19,487.61, 29,235.74 and 9,093.69

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Solution

The fourth proportional to 19,487.61, 29,235.74 and 9,093.69 is: 13,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,487.61 : 29,235.74 = 9,093.69 : x
  2. Step 2: Convert to fraction form
    19,487.61/29,235.74 = 9,093.69/x
  3. Step 3: Cross multiply
    19,487.61x = 29,235.74 × 9,093.69
  4. Step 4: Simplify right side
    19,487.61x = 265,860,756.48
  5. Step 5: Solve for x
    x = 265,860,756.48/19,487.61
  6. Step 6: Final answer
    x = 13,642.55

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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.