Home / 12,748.19-19,125.05-4,957.07

Finding the Fourth Proportional to 12,748.19, 19,125.05 and 4,957.07

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Solution

The fourth proportional to 12,748.19, 19,125.05 and 4,957.07 is: 7,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.19 : 19,125.05 = 4,957.07 : x
  2. Step 2: Convert to fraction form
    12,748.19/19,125.05 = 4,957.07/x
  3. Step 3: Cross multiply
    12,748.19x = 19,125.05 × 4,957.07
  4. Step 4: Simplify right side
    12,748.19x = 94,804,091.19
  5. Step 5: Solve for x
    x = 94,804,091.19/12,748.19
  6. Step 6: Final answer
    x = 7,436.67

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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.