Home / 12,754.03-19,123.21-4,430.47

Finding the Fourth Proportional to 12,754.03, 19,123.21 and 4,430.47

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Solution

The fourth proportional to 12,754.03, 19,123.21 and 4,430.47 is: 6,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.03 : 19,123.21 = 4,430.47 : x
  2. Step 2: Convert to fraction form
    12,754.03/19,123.21 = 4,430.47/x
  3. Step 3: Cross multiply
    12,754.03x = 19,123.21 × 4,430.47
  4. Step 4: Simplify right side
    12,754.03x = 84,724,808.21
  5. Step 5: Solve for x
    x = 84,724,808.21/12,754.03
  6. Step 6: Final answer
    x = 6,642.98

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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.