Home / 14,235.49-21,353.69-4,875.13

Finding the Fourth Proportional to 14,235.49, 21,353.69 and 4,875.13

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Solution

The fourth proportional to 14,235.49, 21,353.69 and 4,875.13 is: 7,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.49 : 21,353.69 = 4,875.13 : x
  2. Step 2: Convert to fraction form
    14,235.49/21,353.69 = 4,875.13/x
  3. Step 3: Cross multiply
    14,235.49x = 21,353.69 × 4,875.13
  4. Step 4: Simplify right side
    14,235.49x = 104,102,014.73
  5. Step 5: Solve for x
    x = 104,102,014.73/14,235.49
  6. Step 6: Final answer
    x = 7,312.85

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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.