Home / 19,856.00-27,397.51-13,487.67

Finding the Fourth Proportional to 19,856.00, 27,397.51 and 13,487.67

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Solution

The fourth proportional to 19,856.00, 27,397.51 and 13,487.67 is: 18,610.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.00 : 27,397.51 = 13,487.67 : x
  2. Step 2: Convert to fraction form
    19,856.00/27,397.51 = 13,487.67/x
  3. Step 3: Cross multiply
    19,856.00x = 27,397.51 × 13,487.67
  4. Step 4: Simplify right side
    19,856.00x = 369,528,539.98
  5. Step 5: Solve for x
    x = 369,528,539.98/19,856.00
  6. Step 6: Final answer
    x = 18,610.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.