Home / 15,421.93-23,085.71-9,880.62

Finding the Fourth Proportional to 15,421.93, 23,085.71 and 9,880.62

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Solution

The fourth proportional to 15,421.93, 23,085.71 and 9,880.62 is: 14,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.93 : 23,085.71 = 9,880.62 : x
  2. Step 2: Convert to fraction form
    15,421.93/23,085.71 = 9,880.62/x
  3. Step 3: Cross multiply
    15,421.93x = 23,085.71 × 9,880.62
  4. Step 4: Simplify right side
    15,421.93x = 228,101,029.02
  5. Step 5: Solve for x
    x = 228,101,029.02/15,421.93
  6. Step 6: Final answer
    x = 14,790.70

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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.