Home / 10,521.47-14,516.24-6,985.36

Finding the Fourth Proportional to 10,521.47, 14,516.24 and 6,985.36

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Solution

The fourth proportional to 10,521.47, 14,516.24 and 6,985.36 is: 9,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.47 : 14,516.24 = 6,985.36 : x
  2. Step 2: Convert to fraction form
    10,521.47/14,516.24 = 6,985.36/x
  3. Step 3: Cross multiply
    10,521.47x = 14,516.24 × 6,985.36
  4. Step 4: Simplify right side
    10,521.47x = 101,401,162.25
  5. Step 5: Solve for x
    x = 101,401,162.25/10,521.47
  6. Step 6: Final answer
    x = 9,637.55

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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.