Home / 13,298.51-19,946.21-3,437.01

Finding the Fourth Proportional to 13,298.51, 19,946.21 and 3,437.01

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Solution

The fourth proportional to 13,298.51, 19,946.21 and 3,437.01 is: 5,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.51 : 19,946.21 = 3,437.01 : x
  2. Step 2: Convert to fraction form
    13,298.51/19,946.21 = 3,437.01/x
  3. Step 3: Cross multiply
    13,298.51x = 19,946.21 × 3,437.01
  4. Step 4: Simplify right side
    13,298.51x = 68,555,306.05
  5. Step 5: Solve for x
    x = 68,555,306.05/13,298.51
  6. Step 6: Final answer
    x = 5,155.11

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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.