Home / 10,606.60-14,639.70-6,416.20

Finding the Fourth Proportional to 10,606.60, 14,639.70 and 6,416.20

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Solution

The fourth proportional to 10,606.60, 14,639.70 and 6,416.20 is: 8,855.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.60 : 14,639.70 = 6,416.20 : x
  2. Step 2: Convert to fraction form
    10,606.60/14,639.70 = 6,416.20/x
  3. Step 3: Cross multiply
    10,606.60x = 14,639.70 × 6,416.20
  4. Step 4: Simplify right side
    10,606.60x = 93,931,243.14
  5. Step 5: Solve for x
    x = 93,931,243.14/10,606.60
  6. Step 6: Final answer
    x = 8,855.92

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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.