Home / 13,317.91-19,952.64-7,754.39

Finding the Fourth Proportional to 13,317.91, 19,952.64 and 7,754.39

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Solution

The fourth proportional to 13,317.91, 19,952.64 and 7,754.39 is: 11,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.91 : 19,952.64 = 7,754.39 : x
  2. Step 2: Convert to fraction form
    13,317.91/19,952.64 = 7,754.39/x
  3. Step 3: Cross multiply
    13,317.91x = 19,952.64 × 7,754.39
  4. Step 4: Simplify right side
    13,317.91x = 154,720,482.82
  5. Step 5: Solve for x
    x = 154,720,482.82/13,317.91
  6. Step 6: Final answer
    x = 11,617.47

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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.