Home / 13,970.74-19,279.44-9,263.86

Finding the Fourth Proportional to 13,970.74, 19,279.44 and 9,263.86

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Solution

The fourth proportional to 13,970.74, 19,279.44 and 9,263.86 is: 12,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.74 : 19,279.44 = 9,263.86 : x
  2. Step 2: Convert to fraction form
    13,970.74/19,279.44 = 9,263.86/x
  3. Step 3: Cross multiply
    13,970.74x = 19,279.44 × 9,263.86
  4. Step 4: Simplify right side
    13,970.74x = 178,602,033.04
  5. Step 5: Solve for x
    x = 178,602,033.04/13,970.74
  6. Step 6: Final answer
    x = 12,784.01

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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.