Home / 10,875.29-15,009.98-6,159.47

Finding the Fourth Proportional to 10,875.29, 15,009.98 and 6,159.47

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Solution

The fourth proportional to 10,875.29, 15,009.98 and 6,159.47 is: 8,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.29 : 15,009.98 = 6,159.47 : x
  2. Step 2: Convert to fraction form
    10,875.29/15,009.98 = 6,159.47/x
  3. Step 3: Cross multiply
    10,875.29x = 15,009.98 × 6,159.47
  4. Step 4: Simplify right side
    10,875.29x = 92,453,415.66
  5. Step 5: Solve for x
    x = 92,453,415.66/10,875.29
  6. Step 6: Final answer
    x = 8,501.24

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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.