Home / 14,019.19-19,346.48-7,731.56

Finding the Fourth Proportional to 14,019.19, 19,346.48 and 7,731.56

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Solution

The fourth proportional to 14,019.19, 19,346.48 and 7,731.56 is: 10,669.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.19 : 19,346.48 = 7,731.56 : x
  2. Step 2: Convert to fraction form
    14,019.19/19,346.48 = 7,731.56/x
  3. Step 3: Cross multiply
    14,019.19x = 19,346.48 × 7,731.56
  4. Step 4: Simplify right side
    14,019.19x = 149,578,509.61
  5. Step 5: Solve for x
    x = 149,578,509.61/14,019.19
  6. Step 6: Final answer
    x = 10,669.56

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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.