Home / 13,088.48-19,611.77-12,742.52

Finding the Fourth Proportional to 13,088.48, 19,611.77 and 12,742.52

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Solution

The fourth proportional to 13,088.48, 19,611.77 and 12,742.52 is: 19,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.48 : 19,611.77 = 12,742.52 : x
  2. Step 2: Convert to fraction form
    13,088.48/19,611.77 = 12,742.52/x
  3. Step 3: Cross multiply
    13,088.48x = 19,611.77 × 12,742.52
  4. Step 4: Simplify right side
    13,088.48x = 249,903,209.69
  5. Step 5: Solve for x
    x = 249,903,209.69/13,088.48
  6. Step 6: Final answer
    x = 19,093.38

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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.