Home / 14,088.73-19,441.58-7,715.40

Finding the Fourth Proportional to 14,088.73, 19,441.58 and 7,715.40

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Solution

The fourth proportional to 14,088.73, 19,441.58 and 7,715.40 is: 10,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.73 : 19,441.58 = 7,715.40 : x
  2. Step 2: Convert to fraction form
    14,088.73/19,441.58 = 7,715.40/x
  3. Step 3: Cross multiply
    14,088.73x = 19,441.58 × 7,715.40
  4. Step 4: Simplify right side
    14,088.73x = 149,999,566.33
  5. Step 5: Solve for x
    x = 149,999,566.33/14,088.73
  6. Step 6: Final answer
    x = 10,646.78

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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.