Home / 15,678.90-23,386.19-14,590.26

Finding the Fourth Proportional to 15,678.90, 23,386.19 and 14,590.26

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Solution

The fourth proportional to 15,678.90, 23,386.19 and 14,590.26 is: 21,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.90 : 23,386.19 = 14,590.26 : x
  2. Step 2: Convert to fraction form
    15,678.90/23,386.19 = 14,590.26/x
  3. Step 3: Cross multiply
    15,678.90x = 23,386.19 × 14,590.26
  4. Step 4: Simplify right side
    15,678.90x = 341,210,519.56
  5. Step 5: Solve for x
    x = 341,210,519.56/15,678.90
  6. Step 6: Final answer
    x = 21,762.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.