Home / 13,047.35-19,569.19-4,281.13

Finding the Fourth Proportional to 13,047.35, 19,569.19 and 4,281.13

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Solution

The fourth proportional to 13,047.35, 19,569.19 and 4,281.13 is: 6,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.35 : 19,569.19 = 4,281.13 : x
  2. Step 2: Convert to fraction form
    13,047.35/19,569.19 = 4,281.13/x
  3. Step 3: Cross multiply
    13,047.35x = 19,569.19 × 4,281.13
  4. Step 4: Simplify right side
    13,047.35x = 83,778,246.38
  5. Step 5: Solve for x
    x = 83,778,246.38/13,047.35
  6. Step 6: Final answer
    x = 6,421.09

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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.