Home / 13,010.04-19,518.58-4,690.98

Finding the Fourth Proportional to 13,010.04, 19,518.58 and 4,690.98

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Solution

The fourth proportional to 13,010.04, 19,518.58 and 4,690.98 is: 7,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.04 : 19,518.58 = 4,690.98 : x
  2. Step 2: Convert to fraction form
    13,010.04/19,518.58 = 4,690.98/x
  3. Step 3: Cross multiply
    13,010.04x = 19,518.58 × 4,690.98
  4. Step 4: Simplify right side
    13,010.04x = 91,561,268.41
  5. Step 5: Solve for x
    x = 91,561,268.41/13,010.04
  6. Step 6: Final answer
    x = 7,037.74

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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.