Home / 10,790.48-14,890.02-6,313.62

Finding the Fourth Proportional to 10,790.48, 14,890.02 and 6,313.62

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Solution

The fourth proportional to 10,790.48, 14,890.02 and 6,313.62 is: 8,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.48 : 14,890.02 = 6,313.62 : x
  2. Step 2: Convert to fraction form
    10,790.48/14,890.02 = 6,313.62/x
  3. Step 3: Cross multiply
    10,790.48x = 14,890.02 × 6,313.62
  4. Step 4: Simplify right side
    10,790.48x = 94,009,928.07
  5. Step 5: Solve for x
    x = 94,009,928.07/10,790.48
  6. Step 6: Final answer
    x = 8,712.30

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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.