Home / 13,068.08-18,037.08-7,482.32

Finding the Fourth Proportional to 13,068.08, 18,037.08 and 7,482.32

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Solution

The fourth proportional to 13,068.08, 18,037.08 and 7,482.32 is: 10,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.08 : 18,037.08 = 7,482.32 : x
  2. Step 2: Convert to fraction form
    13,068.08/18,037.08 = 7,482.32/x
  3. Step 3: Cross multiply
    13,068.08x = 18,037.08 × 7,482.32
  4. Step 4: Simplify right side
    13,068.08x = 134,959,204.43
  5. Step 5: Solve for x
    x = 134,959,204.43/13,068.08
  6. Step 6: Final answer
    x = 10,327.39

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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.