Home / 19,490.49-26,898.28-10,994.00

Finding the Fourth Proportional to 19,490.49, 26,898.28 and 10,994.00

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Solution

The fourth proportional to 19,490.49, 26,898.28 and 10,994.00 is: 15,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.49 : 26,898.28 = 10,994.00 : x
  2. Step 2: Convert to fraction form
    19,490.49/26,898.28 = 10,994.00/x
  3. Step 3: Cross multiply
    19,490.49x = 26,898.28 × 10,994.00
  4. Step 4: Simplify right side
    19,490.49x = 295,719,528.34
  5. Step 5: Solve for x
    x = 295,719,528.34/19,490.49
  6. Step 6: Final answer
    x = 15,172.50

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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.