Home / 19,415.10-26,803.26-13,051.92

Finding the Fourth Proportional to 19,415.10, 26,803.26 and 13,051.92

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Solution

The fourth proportional to 19,415.10, 26,803.26 and 13,051.92 is: 18,018.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.10 : 26,803.26 = 13,051.92 : x
  2. Step 2: Convert to fraction form
    19,415.10/26,803.26 = 13,051.92/x
  3. Step 3: Cross multiply
    19,415.10x = 26,803.26 × 13,051.92
  4. Step 4: Simplify right side
    19,415.10x = 349,834,005.26
  5. Step 5: Solve for x
    x = 349,834,005.26/19,415.10
  6. Step 6: Final answer
    x = 18,018.66

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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.