Home / 13,010.04-19,515.30-4,690.68

Finding the Fourth Proportional to 13,010.04, 19,515.30 and 4,690.68

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Solution

The fourth proportional to 13,010.04, 19,515.30 and 4,690.68 is: 7,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.04 : 19,515.30 = 4,690.68 : x
  2. Step 2: Convert to fraction form
    13,010.04/19,515.30 = 4,690.68/x
  3. Step 3: Cross multiply
    13,010.04x = 19,515.30 × 4,690.68
  4. Step 4: Simplify right side
    13,010.04x = 91,540,027.40
  5. Step 5: Solve for x
    x = 91,540,027.40/13,010.04
  6. Step 6: Final answer
    x = 7,036.11

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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.