Home / 14,025.12-19,356.10-7,737.50

Finding the Fourth Proportional to 14,025.12, 19,356.10 and 7,737.50

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Solution

The fourth proportional to 14,025.12, 19,356.10 and 7,737.50 is: 10,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.12 : 19,356.10 = 7,737.50 : x
  2. Step 2: Convert to fraction form
    14,025.12/19,356.10 = 7,737.50/x
  3. Step 3: Cross multiply
    14,025.12x = 19,356.10 × 7,737.50
  4. Step 4: Simplify right side
    14,025.12x = 149,767,823.75
  5. Step 5: Solve for x
    x = 149,767,823.75/14,025.12
  6. Step 6: Final answer
    x = 10,678.54

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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.