Home / 13,010.03-19,521.26-12,461.60

Finding the Fourth Proportional to 13,010.03, 19,521.26 and 12,461.60

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Solution

The fourth proportional to 13,010.03, 19,521.26 and 12,461.60 is: 18,698.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.03 : 19,521.26 = 12,461.60 : x
  2. Step 2: Convert to fraction form
    13,010.03/19,521.26 = 12,461.60/x
  3. Step 3: Cross multiply
    13,010.03x = 19,521.26 × 12,461.60
  4. Step 4: Simplify right side
    13,010.03x = 243,266,133.62
  5. Step 5: Solve for x
    x = 243,266,133.62/13,010.03
  6. Step 6: Final answer
    x = 18,698.35

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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.