Home / 13,036.86-19,555.29-6,109.74

Finding the Fourth Proportional to 13,036.86, 19,555.29 and 6,109.74

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Solution

The fourth proportional to 13,036.86, 19,555.29 and 6,109.74 is: 9,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.86 : 19,555.29 = 6,109.74 : x
  2. Step 2: Convert to fraction form
    13,036.86/19,555.29 = 6,109.74/x
  3. Step 3: Cross multiply
    13,036.86x = 19,555.29 × 6,109.74
  4. Step 4: Simplify right side
    13,036.86x = 119,477,737.52
  5. Step 5: Solve for x
    x = 119,477,737.52/13,036.86
  6. Step 6: Final answer
    x = 9,164.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.