Home / 10,688.32-16,032.48-2,897.13

Finding the Fourth Proportional to 10,688.32, 16,032.48 and 2,897.13

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Solution

The fourth proportional to 10,688.32, 16,032.48 and 2,897.13 is: 4,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.32 : 16,032.48 = 2,897.13 : x
  2. Step 2: Convert to fraction form
    10,688.32/16,032.48 = 2,897.13/x
  3. Step 3: Cross multiply
    10,688.32x = 16,032.48 × 2,897.13
  4. Step 4: Simplify right side
    10,688.32x = 46,448,255.08
  5. Step 5: Solve for x
    x = 46,448,255.08/10,688.32
  6. Step 6: Final answer
    x = 4,345.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.