Home / 10,429.70-14,393.28-6,341.50

Finding the Fourth Proportional to 10,429.70, 14,393.28 and 6,341.50

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Solution

The fourth proportional to 10,429.70, 14,393.28 and 6,341.50 is: 8,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.70 : 14,393.28 = 6,341.50 : x
  2. Step 2: Convert to fraction form
    10,429.70/14,393.28 = 6,341.50/x
  3. Step 3: Cross multiply
    10,429.70x = 14,393.28 × 6,341.50
  4. Step 4: Simplify right side
    10,429.70x = 91,274,985.12
  5. Step 5: Solve for x
    x = 91,274,985.12/10,429.70
  6. Step 6: Final answer
    x = 8,751.45

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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.