Home / 15,674.04-21,603.24-14,935.86

Finding the Fourth Proportional to 15,674.04, 21,603.24 and 14,935.86

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Solution

The fourth proportional to 15,674.04, 21,603.24 and 14,935.86 is: 20,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.04 : 21,603.24 = 14,935.86 : x
  2. Step 2: Convert to fraction form
    15,674.04/21,603.24 = 14,935.86/x
  3. Step 3: Cross multiply
    15,674.04x = 21,603.24 × 14,935.86
  4. Step 4: Simplify right side
    15,674.04x = 322,662,968.19
  5. Step 5: Solve for x
    x = 322,662,968.19/15,674.04
  6. Step 6: Final answer
    x = 20,585.82

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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.