Home / 15,315.47-22,982.99-9,772.77

Finding the Fourth Proportional to 15,315.47, 22,982.99 and 9,772.77

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Solution

The fourth proportional to 15,315.47, 22,982.99 and 9,772.77 is: 14,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,315.47 : 22,982.99 = 9,772.77 : x
  2. Step 2: Convert to fraction form
    15,315.47/22,982.99 = 9,772.77/x
  3. Step 3: Cross multiply
    15,315.47x = 22,982.99 × 9,772.77
  4. Step 4: Simplify right side
    15,315.47x = 224,607,426.32
  5. Step 5: Solve for x
    x = 224,607,426.32/15,315.47
  6. Step 6: Final answer
    x = 14,665.40

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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.