Home / 13,812.32-19,068.23-10,780.94

Finding the Fourth Proportional to 13,812.32, 19,068.23 and 10,780.94

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Solution

The fourth proportional to 13,812.32, 19,068.23 and 10,780.94 is: 14,883.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.32 : 19,068.23 = 10,780.94 : x
  2. Step 2: Convert to fraction form
    13,812.32/19,068.23 = 10,780.94/x
  3. Step 3: Cross multiply
    13,812.32x = 19,068.23 × 10,780.94
  4. Step 4: Simplify right side
    13,812.32x = 205,573,389.63
  5. Step 5: Solve for x
    x = 205,573,389.63/13,812.32
  6. Step 6: Final answer
    x = 14,883.34

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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.