Home / 10,173.18-14,038.79-5,635.74

Finding the Fourth Proportional to 10,173.18, 14,038.79 and 5,635.74

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Solution

The fourth proportional to 10,173.18, 14,038.79 and 5,635.74 is: 7,777.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.18 : 14,038.79 = 5,635.74 : x
  2. Step 2: Convert to fraction form
    10,173.18/14,038.79 = 5,635.74/x
  3. Step 3: Cross multiply
    10,173.18x = 14,038.79 × 5,635.74
  4. Step 4: Simplify right side
    10,173.18x = 79,118,970.35
  5. Step 5: Solve for x
    x = 79,118,970.35/10,173.18
  6. Step 6: Final answer
    x = 7,777.21

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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.