Home / 10,711.60-14,802.32-8,054.39

Finding the Fourth Proportional to 10,711.60, 14,802.32 and 8,054.39

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Solution

The fourth proportional to 10,711.60, 14,802.32 and 8,054.39 is: 11,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.60 : 14,802.32 = 8,054.39 : x
  2. Step 2: Convert to fraction form
    10,711.60/14,802.32 = 8,054.39/x
  3. Step 3: Cross multiply
    10,711.60x = 14,802.32 × 8,054.39
  4. Step 4: Simplify right side
    10,711.60x = 119,223,715.33
  5. Step 5: Solve for x
    x = 119,223,715.33/10,711.60
  6. Step 6: Final answer
    x = 11,130.34

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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.