Home / 10,070.55-13,897.76-6,890.52

Finding the Fourth Proportional to 10,070.55, 13,897.76 and 6,890.52

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Solution

The fourth proportional to 10,070.55, 13,897.76 and 6,890.52 is: 9,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.55 : 13,897.76 = 6,890.52 : x
  2. Step 2: Convert to fraction form
    10,070.55/13,897.76 = 6,890.52/x
  3. Step 3: Cross multiply
    10,070.55x = 13,897.76 × 6,890.52
  4. Step 4: Simplify right side
    10,070.55x = 95,762,713.18
  5. Step 5: Solve for x
    x = 95,762,713.18/10,070.55
  6. Step 6: Final answer
    x = 9,509.18

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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.