Home / 10,206.64-14,089.06-9,925.76

Finding the Fourth Proportional to 10,206.64, 14,089.06 and 9,925.76

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Solution

The fourth proportional to 10,206.64, 14,089.06 and 9,925.76 is: 13,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.64 : 14,089.06 = 9,925.76 : x
  2. Step 2: Convert to fraction form
    10,206.64/14,089.06 = 9,925.76/x
  3. Step 3: Cross multiply
    10,206.64x = 14,089.06 × 9,925.76
  4. Step 4: Simplify right side
    10,206.64x = 139,844,628.19
  5. Step 5: Solve for x
    x = 139,844,628.19/10,206.64
  6. Step 6: Final answer
    x = 13,701.34

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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.