Home / 14,159.04-21,238-4,799.76

Finding the Fourth Proportional to 14,159.04, 21,238 and 4,799.76

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Solution

The fourth proportional to 14,159.04, 21,238 and 4,799.76 is: 7,199.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.04 : 21,238 = 4,799.76 : x
  2. Step 2: Convert to fraction form
    14,159.04/21,238 = 4,799.76/x
  3. Step 3: Cross multiply
    14,159.04x = 21,238 × 4,799.76
  4. Step 4: Simplify right side
    14,159.04x = 101,937,302.88
  5. Step 5: Solve for x
    x = 101,937,302.88/14,159.04
  6. Step 6: Final answer
    x = 7,199.45

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1.5x scale

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.