Home / 10,434.02-14,405.65-9,313.04

Finding the Fourth Proportional to 10,434.02, 14,405.65 and 9,313.04

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Solution

The fourth proportional to 10,434.02, 14,405.65 and 9,313.04 is: 12,857.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.02 : 14,405.65 = 9,313.04 : x
  2. Step 2: Convert to fraction form
    10,434.02/14,405.65 = 9,313.04/x
  3. Step 3: Cross multiply
    10,434.02x = 14,405.65 × 9,313.04
  4. Step 4: Simplify right side
    10,434.02x = 134,160,407.41
  5. Step 5: Solve for x
    x = 134,160,407.41/10,434.02
  6. Step 6: Final answer
    x = 12,857.98

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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.