Home / 10,445.34-14,415.36-6,468.78

Finding the Fourth Proportional to 10,445.34, 14,415.36 and 6,468.78

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Solution

The fourth proportional to 10,445.34, 14,415.36 and 6,468.78 is: 8,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.34 : 14,415.36 = 6,468.78 : x
  2. Step 2: Convert to fraction form
    10,445.34/14,415.36 = 6,468.78/x
  3. Step 3: Cross multiply
    10,445.34x = 14,415.36 × 6,468.78
  4. Step 4: Simplify right side
    10,445.34x = 93,249,792.46
  5. Step 5: Solve for x
    x = 93,249,792.46/10,445.34
  6. Step 6: Final answer
    x = 8,927.41

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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.