Home / 10,417.21-14,381.65-7,192.07

Finding the Fourth Proportional to 10,417.21, 14,381.65 and 7,192.07

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Solution

The fourth proportional to 10,417.21, 14,381.65 and 7,192.07 is: 9,929.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.21 : 14,381.65 = 7,192.07 : x
  2. Step 2: Convert to fraction form
    10,417.21/14,381.65 = 7,192.07/x
  3. Step 3: Cross multiply
    10,417.21x = 14,381.65 × 7,192.07
  4. Step 4: Simplify right side
    10,417.21x = 103,433,784.08
  5. Step 5: Solve for x
    x = 103,433,784.08/10,417.21
  6. Step 6: Final answer
    x = 9,929.13

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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.