Home / 15,465.26-21,332.56-13,666.98

Finding the Fourth Proportional to 15,465.26, 21,332.56 and 13,666.98

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Solution

The fourth proportional to 15,465.26, 21,332.56 and 13,666.98 is: 18,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.26 : 21,332.56 = 13,666.98 : x
  2. Step 2: Convert to fraction form
    15,465.26/21,332.56 = 13,666.98/x
  3. Step 3: Cross multiply
    15,465.26x = 21,332.56 × 13,666.98
  4. Step 4: Simplify right side
    15,465.26x = 291,551,670.87
  5. Step 5: Solve for x
    x = 291,551,670.87/15,465.26
  6. Step 6: Final answer
    x = 18,852.04

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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.