Home / 13,312.76-19,873.15-11,569.84

Finding the Fourth Proportional to 13,312.76, 19,873.15 and 11,569.84

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Solution

The fourth proportional to 13,312.76, 19,873.15 and 11,569.84 is: 17,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.76 : 19,873.15 = 11,569.84 : x
  2. Step 2: Convert to fraction form
    13,312.76/19,873.15 = 11,569.84/x
  3. Step 3: Cross multiply
    13,312.76x = 19,873.15 × 11,569.84
  4. Step 4: Simplify right side
    13,312.76x = 229,929,087.19
  5. Step 5: Solve for x
    x = 229,929,087.19/13,312.76
  6. Step 6: Final answer
    x = 17,271.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.