Home / 14,290.29-21,430.17-4,928.58

Finding the Fourth Proportional to 14,290.29, 21,430.17 and 4,928.58

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Solution

The fourth proportional to 14,290.29, 21,430.17 and 4,928.58 is: 7,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.29 : 21,430.17 = 4,928.58 : x
  2. Step 2: Convert to fraction form
    14,290.29/21,430.17 = 4,928.58/x
  3. Step 3: Cross multiply
    14,290.29x = 21,430.17 × 4,928.58
  4. Step 4: Simplify right side
    14,290.29x = 105,620,307.26
  5. Step 5: Solve for x
    x = 105,620,307.26/14,290.29
  6. Step 6: Final answer
    x = 7,391.05

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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.