Home / 14,283.80-21,428.30-4,925.16

Finding the Fourth Proportional to 14,283.80, 21,428.30 and 4,925.16

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Solution

The fourth proportional to 14,283.80, 21,428.30 and 4,925.16 is: 7,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.80 : 21,428.30 = 4,925.16 : x
  2. Step 2: Convert to fraction form
    14,283.80/21,428.30 = 4,925.16/x
  3. Step 3: Cross multiply
    14,283.80x = 21,428.30 × 4,925.16
  4. Step 4: Simplify right side
    14,283.80x = 105,537,806.03
  5. Step 5: Solve for x
    x = 105,537,806.03/14,283.80
  6. Step 6: Final answer
    x = 7,388.64

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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.