Home / 13,039.60-19,544.64-6,470.32

Finding the Fourth Proportional to 13,039.60, 19,544.64 and 6,470.32

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Solution

The fourth proportional to 13,039.60, 19,544.64 and 6,470.32 is: 9,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039.60 : 19,544.64 = 6,470.32 : x
  2. Step 2: Convert to fraction form
    13,039.60/19,544.64 = 6,470.32/x
  3. Step 3: Cross multiply
    13,039.60x = 19,544.64 × 6,470.32
  4. Step 4: Simplify right side
    13,039.60x = 126,460,075.08
  5. Step 5: Solve for x
    x = 126,460,075.08/13,039.60
  6. Step 6: Final answer
    x = 9,698.16

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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.