Home / 10,666.36-14,719.47-5,886.35

Finding the Fourth Proportional to 10,666.36, 14,719.47 and 5,886.35

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Solution

The fourth proportional to 10,666.36, 14,719.47 and 5,886.35 is: 8,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.36 : 14,719.47 = 5,886.35 : x
  2. Step 2: Convert to fraction form
    10,666.36/14,719.47 = 5,886.35/x
  3. Step 3: Cross multiply
    10,666.36x = 14,719.47 × 5,886.35
  4. Step 4: Simplify right side
    10,666.36x = 86,643,903.47
  5. Step 5: Solve for x
    x = 86,643,903.47/10,666.36
  6. Step 6: Final answer
    x = 8,123.10

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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.