Home / 14,639.23-20,211.47-9,612.38

Finding the Fourth Proportional to 14,639.23, 20,211.47 and 9,612.38

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Solution

The fourth proportional to 14,639.23, 20,211.47 and 9,612.38 is: 13,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.23 : 20,211.47 = 9,612.38 : x
  2. Step 2: Convert to fraction form
    14,639.23/20,211.47 = 9,612.38/x
  3. Step 3: Cross multiply
    14,639.23x = 20,211.47 × 9,612.38
  4. Step 4: Simplify right side
    14,639.23x = 194,280,262.27
  5. Step 5: Solve for x
    x = 194,280,262.27/14,639.23
  6. Step 6: Final answer
    x = 13,271.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.