Home / 10,384.95-14,331.24-7,405.98

Finding the Fourth Proportional to 10,384.95, 14,331.24 and 7,405.98

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Solution

The fourth proportional to 10,384.95, 14,331.24 and 7,405.98 is: 10,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.95 : 14,331.24 = 7,405.98 : x
  2. Step 2: Convert to fraction form
    10,384.95/14,331.24 = 7,405.98/x
  3. Step 3: Cross multiply
    10,384.95x = 14,331.24 × 7,405.98
  4. Step 4: Simplify right side
    10,384.95x = 106,136,876.82
  5. Step 5: Solve for x
    x = 106,136,876.82/10,384.95
  6. Step 6: Final answer
    x = 10,220.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.