Home / 21,774.64-30,048.36-12,346.24

Finding the Fourth Proportional to 21,774.64, 30,048.36 and 12,346.24

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Solution

The fourth proportional to 21,774.64, 30,048.36 and 12,346.24 is: 17,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.64 : 30,048.36 = 12,346.24 : x
  2. Step 2: Convert to fraction form
    21,774.64/30,048.36 = 12,346.24/x
  3. Step 3: Cross multiply
    21,774.64x = 30,048.36 × 12,346.24
  4. Step 4: Simplify right side
    21,774.64x = 370,984,264.17
  5. Step 5: Solve for x
    x = 370,984,264.17/21,774.64
  6. Step 6: Final answer
    x = 17,037.45

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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.