Home / 13,250.73-19,875.51-8,045.67

Finding the Fourth Proportional to 13,250.73, 19,875.51 and 8,045.67

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Solution

The fourth proportional to 13,250.73, 19,875.51 and 8,045.67 is: 12,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.73 : 19,875.51 = 8,045.67 : x
  2. Step 2: Convert to fraction form
    13,250.73/19,875.51 = 8,045.67/x
  3. Step 3: Cross multiply
    13,250.73x = 19,875.51 × 8,045.67
  4. Step 4: Simplify right side
    13,250.73x = 159,911,794.54
  5. Step 5: Solve for x
    x = 159,911,794.54/13,250.73
  6. Step 6: Final answer
    x = 12,068.15

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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.