Home / 13,159.67-19,828.29-10,870.95

Finding the Fourth Proportional to 13,159.67, 19,828.29 and 10,870.95

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Solution

The fourth proportional to 13,159.67, 19,828.29 and 10,870.95 is: 16,379.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.67 : 19,828.29 = 10,870.95 : x
  2. Step 2: Convert to fraction form
    13,159.67/19,828.29 = 10,870.95/x
  3. Step 3: Cross multiply
    13,159.67x = 19,828.29 × 10,870.95
  4. Step 4: Simplify right side
    13,159.67x = 215,552,349.18
  5. Step 5: Solve for x
    x = 215,552,349.18/13,159.67
  6. Step 6: Final answer
    x = 16,379.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.