Home / 13,989.54-19,312.70-10,795.66

Finding the Fourth Proportional to 13,989.54, 19,312.70 and 10,795.66

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Solution

The fourth proportional to 13,989.54, 19,312.70 and 10,795.66 is: 14,903.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.54 : 19,312.70 = 10,795.66 : x
  2. Step 2: Convert to fraction form
    13,989.54/19,312.70 = 10,795.66/x
  3. Step 3: Cross multiply
    13,989.54x = 19,312.70 × 10,795.66
  4. Step 4: Simplify right side
    13,989.54x = 208,493,309.86
  5. Step 5: Solve for x
    x = 208,493,309.86/13,989.54
  6. Step 6: Final answer
    x = 14,903.51

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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.