Home / 19,070.31-26,316.32-10,686.27

Finding the Fourth Proportional to 19,070.31, 26,316.32 and 10,686.27

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Solution

The fourth proportional to 19,070.31, 26,316.32 and 10,686.27 is: 14,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.31 : 26,316.32 = 10,686.27 : x
  2. Step 2: Convert to fraction form
    19,070.31/26,316.32 = 10,686.27/x
  3. Step 3: Cross multiply
    19,070.31x = 26,316.32 × 10,686.27
  4. Step 4: Simplify right side
    19,070.31x = 281,223,247.50
  5. Step 5: Solve for x
    x = 281,223,247.50/19,070.31
  6. Step 6: Final answer
    x = 14,746.65

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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.