Home / 14,428.17-21,643.07-7,038.95

Finding the Fourth Proportional to 14,428.17, 21,643.07 and 7,038.95

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Solution

The fourth proportional to 14,428.17, 21,643.07 and 7,038.95 is: 10,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.17 : 21,643.07 = 7,038.95 : x
  2. Step 2: Convert to fraction form
    14,428.17/21,643.07 = 7,038.95/x
  3. Step 3: Cross multiply
    14,428.17x = 21,643.07 × 7,038.95
  4. Step 4: Simplify right side
    14,428.17x = 152,344,344.17
  5. Step 5: Solve for x
    x = 152,344,344.17/14,428.17
  6. Step 6: Final answer
    x = 10,558.81

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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.