Home / 19,142.94-26,417.01-10,644.99

Finding the Fourth Proportional to 19,142.94, 26,417.01 and 10,644.99

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Solution

The fourth proportional to 19,142.94, 26,417.01 and 10,644.99 is: 14,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142.94 : 26,417.01 = 10,644.99 : x
  2. Step 2: Convert to fraction form
    19,142.94/26,417.01 = 10,644.99/x
  3. Step 3: Cross multiply
    19,142.94x = 26,417.01 × 10,644.99
  4. Step 4: Simplify right side
    19,142.94x = 281,208,807.28
  5. Step 5: Solve for x
    x = 281,208,807.28/19,142.94
  6. Step 6: Final answer
    x = 14,689.95

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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.