Home / 10,070.16-13,903.14-6,486.72

Finding the Fourth Proportional to 10,070.16, 13,903.14 and 6,486.72

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Solution

The fourth proportional to 10,070.16, 13,903.14 and 6,486.72 is: 8,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.16 : 13,903.14 = 6,486.72 : x
  2. Step 2: Convert to fraction form
    10,070.16/13,903.14 = 6,486.72/x
  3. Step 3: Cross multiply
    10,070.16x = 13,903.14 × 6,486.72
  4. Step 4: Simplify right side
    10,070.16x = 90,185,776.30
  5. Step 5: Solve for x
    x = 90,185,776.30/10,070.16
  6. Step 6: Final answer
    x = 8,955.74

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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.