Home / 13,325.04-19,991.88-6,400.08

Finding the Fourth Proportional to 13,325.04, 19,991.88 and 6,400.08

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Solution

The fourth proportional to 13,325.04, 19,991.88 and 6,400.08 is: 9,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.04 : 19,991.88 = 6,400.08 : x
  2. Step 2: Convert to fraction form
    13,325.04/19,991.88 = 6,400.08/x
  3. Step 3: Cross multiply
    13,325.04x = 19,991.88 × 6,400.08
  4. Step 4: Simplify right side
    13,325.04x = 127,949,631.35
  5. Step 5: Solve for x
    x = 127,949,631.35/13,325.04
  6. Step 6: Final answer
    x = 9,602.19

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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.