Home / 19,359.84-26,715.44-11,400.24

Finding the Fourth Proportional to 19,359.84, 26,715.44 and 11,400.24

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Solution

The fourth proportional to 19,359.84, 26,715.44 and 11,400.24 is: 15,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.84 : 26,715.44 = 11,400.24 : x
  2. Step 2: Convert to fraction form
    19,359.84/26,715.44 = 11,400.24/x
  3. Step 3: Cross multiply
    19,359.84x = 26,715.44 × 11,400.24
  4. Step 4: Simplify right side
    19,359.84x = 304,562,427.71
  5. Step 5: Solve for x
    x = 304,562,427.71/19,359.84
  6. Step 6: Final answer
    x = 15,731.66

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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.