Home / 10,445.81-14,415.75-6,665.95

Finding the Fourth Proportional to 10,445.81, 14,415.75 and 6,665.95

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Solution

The fourth proportional to 10,445.81, 14,415.75 and 6,665.95 is: 9,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.81 : 14,415.75 = 6,665.95 : x
  2. Step 2: Convert to fraction form
    10,445.81/14,415.75 = 6,665.95/x
  3. Step 3: Cross multiply
    10,445.81x = 14,415.75 × 6,665.95
  4. Step 4: Simplify right side
    10,445.81x = 96,094,586.90
  5. Step 5: Solve for x
    x = 96,094,586.90/10,445.81
  6. Step 6: Final answer
    x = 9,199.34

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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.