Home / 10,192.17-14,068.65-6,421.66

Finding the Fourth Proportional to 10,192.17, 14,068.65 and 6,421.66

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Solution

The fourth proportional to 10,192.17, 14,068.65 and 6,421.66 is: 8,864.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.17 : 14,068.65 = 6,421.66 : x
  2. Step 2: Convert to fraction form
    10,192.17/14,068.65 = 6,421.66/x
  3. Step 3: Cross multiply
    10,192.17x = 14,068.65 × 6,421.66
  4. Step 4: Simplify right side
    10,192.17x = 90,344,075.87
  5. Step 5: Solve for x
    x = 90,344,075.87/10,192.17
  6. Step 6: Final answer
    x = 8,864.06

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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.