Home / 9,813.24-14,711.55-4,262.40

Finding the Fourth Proportional to 9,813.24, 14,711.55 and 4,262.40

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Solution

The fourth proportional to 9,813.24, 14,711.55 and 4,262.40 is: 6,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.24 : 14,711.55 = 4,262.40 : x
  2. Step 2: Convert to fraction form
    9,813.24/14,711.55 = 4,262.40/x
  3. Step 3: Cross multiply
    9,813.24x = 14,711.55 × 4,262.40
  4. Step 4: Simplify right side
    9,813.24x = 62,706,510.72
  5. Step 5: Solve for x
    x = 62,706,510.72/9,813.24
  6. Step 6: Final answer
    x = 6,389.99

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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.