Home / 10,518.04-14,509.70-6,881.95

Finding the Fourth Proportional to 10,518.04, 14,509.70 and 6,881.95

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Solution

The fourth proportional to 10,518.04, 14,509.70 and 6,881.95 is: 9,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.04 : 14,509.70 = 6,881.95 : x
  2. Step 2: Convert to fraction form
    10,518.04/14,509.70 = 6,881.95/x
  3. Step 3: Cross multiply
    10,518.04x = 14,509.70 × 6,881.95
  4. Step 4: Simplify right side
    10,518.04x = 99,854,995.51
  5. Step 5: Solve for x
    x = 99,854,995.51/10,518.04
  6. Step 6: Final answer
    x = 9,493.69

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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.